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Disclaimer

  • Please note that in some cases regular OS upgrades may cause delays to planned security updates. However, users can be rest assured the OS upgrades will include up-to-date security patches when delivered.
  • While we are doing our best to deliver the security patches as soon as possible to all applicable models, delivery time of security patches may vary depending on the regions and models.
  • Some patches to be received from chipset vendors (also known as Device Specific patches) may not be included in the security update package of the month. They will be included in upcoming security update packages as soon as the patches are ready to deliver.

Acknowledgements

Samsung Mobile is releasing a maintenance release for major flagship models as part of monthly Security Maintenance Release (SMR) process. This SMR package includes patches from Google and Samsung.


Google patches include patches up to Android Security Bulletin – May 2023 package. The Bulletin (May 2023) contains the following CVE items:

Critical
CVE-2022-33231, CVE-2022-33288, CVE-2022-33289, CVE-2022-33302

High
CVE-2022-32599, CVE-2022-41757, CVE-2022-38181, CVE-2022-36449, CVE-2022-33917, CVE-2022-42716, CVE-2021-0873, CVE-2021-0884, CVE-2021-0883, CVE-2021-0882, CVE-2021-0881, CVE-2021-0880, CVE-2021-0879, CVE-2021-0878, CVE-2021-0874, CVE-2021-0875, CVE-2021-0876, CVE-2021-0872, CVE-2021-0885, CVE-2022-4696, CVE-2023-20941, CVE-2023-20656, CVE-2023-20654, CVE-2023-20652, CVE-2023-20653, CVE-2023-20657, CVE-2022-33269, CVE-2023-21630, CVE-2022-33270, CVE-2022-40503, CVE-2022-47335, CVE-2022-47336, CVE-2022-47338, CVE-2022-47337, CVE-2021-39617, CVE-2022-20338, CVE-2023-20993, CVE-2023-21109, CVE-2023-21117, CVE-2023-20914, CVE-2023-21104, CVE-2023-20930, CVE-2023-21110, CVE-2022-20444, CVE-2023-21112, CVE-2023-21118, CVE-2023-21103, CVE-2023-21111

Moderate
CVE-2022-22706, CVE-2023-21116, CVE-2023-0266

Already included in previous updates
CVE-2023-20655, CVE-2022-40532

Not applicable to Samsung devices
CVE-2023-21107


※ Please see Android Security Bulletin for detailed information on Google patches.


Along with Google patches, Samsung Mobile provides 21 Samsung Vulnerabilities and Exposures (SVE) items described below, in order to improve our customer’s confidence on security of Samsung Mobile devices. Samsung security index (SSI), found in “Security software version”, SMR May-2023 Release 1 includes all patches from Samsung and Google. Some of the SVE items may not be included in this package, in case these items were already included in a previous maintenance release.


SVE-2023-0268(CVE-2023-21502): Improper input validation vulnerability in FactoryTest application allows local privilege escalation

Severity: High
Affected versions: Android 12, 13
Reported on: February 12, 2023
Disclosure status: Privately disclosed
Improper input validation vulnerability in FactoryTest application prior to SMR May-2023 Release 1 allows local attackers to get privilege escalation via debugging commands.
The patch adds proper input validation check logic.


SVE-2023-0233(CVE-2023-21493): Improper access control vulnerability in SemShareFileProvider

Severity: Moderate
Affected versions: Android 11, 12, 13
Reported on: February 6, 2023
Disclosure status: Privately disclosed
Improper access control vulnerability in SemShareFileProvider prior to SMR May-2023 Release 1 allows local attackers to access protected data.
The patch adds proper caller check logic.


SVE-2023-0223(CVE-2023-21501): Arbitrary code execution in mPOS fiserve trustlet

Severity: Critical
Affected versions: Select Android 13 devices
Reported on: February 4, 2023
Disclosure status: Privately disclosed
Improper input validation vulnerability in mPOS fiserve trustlet prior to SMR May-2023 Release 1 allows local attackers to execute arbitrary code.
The patch adds proper boundary check to arbitrary code execution.


SVE-2023-0216(CVE-2023-21500): Double free validation in mPOS TUI trustlet

Severity: High
Affected versions: Select Android 13 devices
Reported on: February 3, 2023
Disclosure status: Privately disclosed
Double free validation vulnerability in setPinPadImages in mPOS TUI trustlet prior to SMR May-2023 Release 1 allows local attackers to access the trustlet memory.
The patch adds to set the pointer to NULL after memory free.


SVE-2023-0215(CVE-2023-21499, CVE-2023-21498, CVE-2023-21497): Arbitrary code execution in mPOS TUI trustlet

Severity: Critical
Affected versions: Select Android 13 devices
Reported on: February 3, 2023
Disclosure status: Privately disclosed
Improper access control vulnerability in mPOS TUI trustlet prior to SMR May-2023 Release 1 allows local attackers to execute arbitrary code.
The patch addressed the issue.


SVE-2023-0163(CVE-2023-21496): Active Debug Code vulnerability in ActivityManagerService

Severity: Moderate
Affected versions: Android 11, 12, 13
Reported on: January 25, 2023
Disclosure status: Privately disclosed
Active Debug Code vulnerability in ActivityManagerService prior to SMR May-2023 Release 1 allows attacker to use debug function via setting debug level.
The patch restrict to use debug function for unknown user.


SVE-2023-0131(CVE-2023-21492): Kernel pointers exposure in log file

Severity: Moderate
Affected versions: Selected Android 11, 12, 13 devices
Reported on: January 17, 2023
Disclosure status: Privately disclosed
Kernel pointers are printed in the log file prior to SMR May-2023 Release 1 allows a privileged local attacker to bypass ASLR.
The patch removes kernel pointers in log file.
※ Samsung was notified that an exploit for this issue had existed in the wild.


SVE-2023-0072(CVE-2023-21491): Improper access control vulnerability in ThemeManager

Severity: High
Affected versions: Android 12, 13
Reported on: January 11, 2023
Disclosure status: Privately disclosed
Improper access control vulnerability in ThemeManager prior to SMR May-2023 Release 1 allows local attackers to write arbitrary files with system privilege.
The patch adds proper validation logic to prevent arbitrary file write.


SVE-2023-0066(CVE-2023-21490): Improper access control in GearManagerStub

Severity: Moderate
Affected versions: Android 11, 12, 13
Reported on: January 9, 2023
Disclosure status: Privately disclosed
Improper access control in GearManagerStub prior to SMR May-2023 Release 1 allows a local attacker to delete applications installed by watchmanager.
The patch adds proper access control.


SVE-2023-0045(CVE-2023-21495): Improper access control vulnerability in Knox Enrollment Service

Severity: High
Affected versions: Android 11, 12, 13
Reported on: January 7, 2023
Disclosure status: Privately disclosed
Improper access control vulnerability in Knox Enrollment Service prior to SMR May-2023 Release 1 allow attacker install KSP app when device admin is set.
The patch adds proper access control.


SVE-2023-0010(CVE-2023-21489): Out-of-bounds write vulnerability in bootloader

Severity: High
Affected versions: Selected Android 11, 12, 13 Qualcomm devices
Reported on: January 3, 2023
Disclosure status: Privately disclosed
Heap out-of-bounds write vulnerability in bootloader prior to SMR May-2023 Release 1 allows a physical attacker to execute arbitrary code.
The patch adds proper boundary check logic.


SVE-2023-0006(CVE-2023-21488): Improper access control vulnerability in Tips

Severity: Moderate
Affected versions: Android 11, 12, 13
Reported on: January 3, 2023
Disclosure status: Privately disclosed
Improper access control vulnerability in Tips prior to SMR May-2023 Release 1 allows local attackers to launch arbitrary activity in Tips.
The patch remove unused code.


SVE-2022-3035(CVE-2023-21494): Potential buffer overflow vulnerability in auth api in mm_Authentication.c in Shannon baseband

Severity: High
Affected versions: Select devices using Exynos CP chipsets
Reported on: December 26, 2022
Disclosure status: Privately disclosed
Potential buffer overflow vulnerability in auth api in mm_Authentication.c in Shannon baseband prior to SMR May-2023 Release 1 allows remote attackers to cause invalid memory access.
The patch adds proper input validation check logic.


SVE-2022-3031(CVE-2023-21504): Potential buffer overflow vulnerability in mm_Plmncoordination.c in Shannon baseband

Severity: High
Affected versions: Select devices using Exynos CP chipsets
Reported on: December 25, 2022
Disclosure status: Privately disclosed
Potential buffer overflow vulnerability in mm_Plmncoordination.c in Shannon baseband prior to SMR May-2023 Release 1 allows remote attackers to cause invalid memory access.
The patch adds proper input validation check logic.


SVE-2022-3020(CVE-2023-21503): Potential buffer overflow vulnerability in mm_LteInterRatManagement.c in Shannon baseband

Severity: High
Affected versions: Select devices using Exynos CP chipsets
Reported on: December 23, 2022
Disclosure status: Privately disclosed
Potential buffer overflow vulnerability in mm_LteInterRatManagement.c in Shannon baseband prior to SMR May-2023 Release 1 allows remote attackers to cause invalid memory access.
The patch adds proper input validation check logic.


SVE-2022-2957(CVE-2023-21487): Improper access control vulnerability in Telephony framework

Severity: Moderate
Affected versions: Android 11, 12, 13
Reported on: December 14, 2022
Disclosure status: Privately disclosed
Improper access control vulnerability in Telephony framework prior to SMR May-2023 Release 1 allows local attackers to change a call setting.
The patch adds a proper permission to protect a receiver.


SVE-2022-2946(CVE-2023-21486, CVE-2023-21485): Improper export of android application components in Call Settings

Severity: Moderate
Affected versions: Android 11, 12, 13
Reported on: December 13, 2022
Disclosure status: Privately disclosed
Improper export of android application components vulnerability in Call Settings prior to SMR May-2023 Release 1 allows physical attackers to access some media data stored in sandbox.
The patch set the components to exported:false.


SVE-2022-2821(CVE-2023-21484): Improper access control vulnerability in AppLock

Severity: Moderate
Affected versions: Android 11, 12, 13
Reported on: December 2, 2022
Disclosure status: Privately disclosed
Improper access control vulnerability in AppLock prior to SMR May-2023 Release 1 allows local attackers without proper permission to execute a privileged operation.
The patch adds proper permission check.


Some SVE items included in the Samsung Android Security Update cannot be disclosed at this time.

Acknowledgements
Dawuge of Pangu Team: SVE-2023-0233, SVE-2023-0066, SVE-2023-0045, SVE-2023-0006, SVE-2022-2957, SVE-2022-2946, SVE-2022-2821
Vincenzo Bonforte - @Bonfee1: SVE-2023-0223, SVE-2023-0216, SVE-2023-0215
Alberto Magno Muniz Soares: SVE-2023-0163
Clément Lecigne of Google's Threat Analysis Group: SVE-2023-0131
Oversecured Inc: SVE-2023-0072
HBh25Y: SVE-2023-0010
Nevv and cyth@VARAS: SVE-2022-3020
Nevv and Vang3lis@VARAS: SVE-2022-3035, SVE-2022-3031
Samsung Mobile is releasing a maintenance release for major flagship models as part of monthly Security Maintenance Release (SMR) process. This SMR package includes patches from Google and Samsung.


Google patches include patches up to Android Security Bulletin – April 2023 package. The Bulletin (April 2023) contains the following CVE items:

Critical
CVE-2022-33213, CVE-2022-33256, CVE-2023-21085, CVE-2023-21096

High
CVE-2021-33655, CVE-2023-20623, CVE-2022-33242, CVE-2022-33278, CVE-2022-25709, CVE-2022-25705, CVE-2022-25694, CVE-2022-33244, CVE-2022-33272, CVE-2022-33250, CVE-2022-33254, CVE-2022-40531, CVE-2022-25655, CVE-2022-40527, CVE-2022-40535, CVE-2022-40530, CVE-2022-22075, CVE-2022-40537, CVE-2022-40540, CVE-2022-47459, CVE-2022-47460, CVE-2022-47461, CVE-2022-47462, CVE-2023-21081, CVE-2023-21088, CVE-2023-21089, CVE-2023-21092, CVE-2023-21094, CVE-2023-21097, CVE-2023-21098, CVE-2023-21090, CVE-2022-20463, CVE-2023-20967, CVE-2023-21084, CVE-2023-21086, CVE-2023-21093, CVE-2023-21099, CVE-2023-21100, CVE-2022-20471, CVE-2023-20909, CVE-2023-20935, CVE-2023-21080, CVE-2023-21082, CVE-2023-21083, CVE-2023-21091

Moderate
CVE-2023-20950

Already included in previous updates
None

Not applicable to Samsung devices
CVE-2023-20620, CVE-2023-20621, CVE-2022-40515, CVE-2022-33309

※ Please see Android Security Bulletin for detailed information on Google patches.


Samsung Semiconductor patch is also included in this Security Maintenance Release with the following CVE item:

Moderate
CVE-2023-28613

※ Please see Samsung Semiconductor Product Security Update for detailed information on Samsung Semiconductor patches.


Along with Google and Samsung Semiconductor patches, Samsung Mobile provides 23 Samsung Vulnerabilities and Exposures (SVE) items described below, in order to improve our customer’s confidence on security of Samsung Mobile devices. Samsung security index (SSI), found in “Security software version”, SMR Apr-2023 Release 1 includes all patches from Samsung and Google. Some of the SVE items may not be included in this package, in case these items were already included in a previous maintenance release.


SVE-2023-0397(CVE-2023-21480): Improper input validation in CertByte

Severity: High
Affected versions: Select Android 11, 12, 13 devices
Reported on: March 8, 2023
Disclosure status: Privately disclosed
Improper input validation vulnerability in CertByte prior to SMR Apr-2023 Release 1 allows local attackers to launch privileged activities.
The patch adds proper validation logic to prevent privilege escalation.


SVE-2023-0100(CVE-2023-21476): Out-of-bounds Write in libaudiosaplus_sec.so library

Severity: Moderate
Affected versions: Android 11, 12, 13
Reported on: January 13, 2023
Disclosure status: Privately disclosed
Out-of-bounds Write vulnerability in libaudiosaplus_sec.so library prior to SMR Apr-2023 Release 1 allows local attacker to execute arbitrary code.
The patch adds proper boundary check to arbitrary code execution.


SVE-2023-0097(CVE-2023-21475): Out-of-bounds Write in libaudiosaplus_sec.so library

Severity: Moderate
Affected versions: Android 11, 12, 13
Reported on: January 13, 2023
Disclosure status: Privately disclosed
Out-of-bounds Write vulnerability in libaudiosaplus_sec.so library prior to SMR Apr-2023 Release 1 allows local attacker to execute arbitrary code.
The patch adds proper boundary check to arbitrary code execution.


SVE-2023-0068(CVE-2023-21474): Improper authorization in SecSettings

Severity: High
Affected versions: Android 11, 12, 13
Reported on: January 10, 2023
Disclosure status: Privately disclosed
Intent redirection vulnerability in SecSettings prior to SMR Apr-2023 Release 1 allows attackers to access arbitrary file with system privilege.
The patch adds input validation logic.


SVE-2022-3004(CVE-2023-21473): Improper input validation with Exynos Fastboot USB Interface

Severity: High
Affected versions: Selected Android 11, 12, 13 Exynos devices
Reported on: December 21, 2022
Disclosure status: Privately disclosed
Improper input validation with Exynos Fastboot USB Interface prior to SMR Apr-2023 Release 1 allows a physical attacker to execute arbitrary code in bootloader.
The patch adds proper implementation for arbitrary input with USB interface.


SVE-2022-3001(CVE-2023-21472): Improper input validation with Exynos Fastboot USB Interface

Severity: High
Affected versions: Selected Android 11, 12, 13 Exynos devices
Reported on: December 21, 2022
Disclosure status: Privately disclosed
Improper input validation with Exynos Fastboot USB Interface prior to SMR Apr-2023 Release 1 allows a physical attacker to execute arbitrary code in bootloader.
The patch adds proper implementation for arbitrary input with USB interface.


SVE-2022-2959(CVE-2023-21471): Improper access control vulnerability in SemClipboard

Severity: Moderate
Affected versions: Android 12, 13
Reported on: December 15, 2022
Disclosure status: Privately disclosed
Improper access control vulnerability in SemClipboard prior to SMR Apr-2023 Release 1 allows attackers to read arbitrary files with system permission.
The patch adds proper access control logic to prevent arbitrary file read.


SVE-2022-2948(CVE-2023-21470): Improper access control vulnerability in SLocation

Severity: Moderate
Affected versions: Android 11, 12, 13
Reported on: December 13, 2022
Disclosure status: Privately disclosed
Improper access control vulnerability in SLocation prior to SMR Apr-2023 Release 1 allows local attackers to get device location information using com.samsung.android.wifi.NETWORK_LOCATION action.
The patch change to explicit intent.


SVE-2022-2947(CVE-2023-21469): Improper access control vulnerability in SLocation

Severity: Moderate
Affected versions: Android 11, 12, 13
Reported on: December 13, 2022
Disclosure status: Privately disclosed
Improper access control vulnerability in SLocation prior to SMR Apr-2023 Release 1 allows local attackers to get device location information using com.samsung.android.wifi.GEOFENCE action.
The patch change to explicit intent.


SVE-2022-2907(CVE-2023-21479): Improper authorization in Smart suggestions

Severity: High
Affected versions: Android 13 and Samsung Smart Suggestions prior to 4.1.01.0 in Android 12
Reported on: December 8, 2022
Disclosure status: Privately disclosed
Improper authorization in Smart suggestions prior to SMR Apr-2023 Release 1 in Android 13 and 4.1.01.0 in Android 12 allows remote attackers to register a schedule.
The patch remove the BROWSABLE attribute.


SVE-2022-2782(CVE-2023-21468): Improper access control vulnerability in Telephony

Severity: Moderate
Affected versions: Android 11, 12, 13
Reported on: November 28, 2022
Disclosure status: Privately disclosed
Improper access control vulnerability in Telephony prior to SMR Apr-2023 Release 1 allows attackers to access files with escalated permission.
The patch adds proper permission to prevent improper access.


SVE-2022-2755(CVE-2023-21467): Error in 3GPP specification implementation in Exynos baseband

Severity: Moderate
Affected versions: Select devices using Exynos CP chipsets
Reported on: November 23, 2022
Disclosure status: Privately disclosed
Error in 3GPP specification implementation in Exynos baseband prior to SMR Apr-2023 Release 1 allows incorrect handling of unencrypted message.
The patch adds proper authentication logic.


SVE-2022-2614(CVE-2023-21466): PendingIntent hijacking vulnerability in CertificatePolicy

Severity: Moderate
Affected versions: Android 11, 12, 13
Reported on: November 4, 2022
Disclosure status: Privately disclosed
PendingIntent hijacking vulnerability in CertificatePolicy in framework prior to SMR Apr-2023 Release 1 allows local attackers to access ContentProvider without proper permission.
The patch adjusts the intent to prevent PendingIntent hijacking.


SVE-2022-2318(CVE-2023-21478): Improper input validation vulnerability in TIGERF trustlet

Severity: High
Affected versions: Android 11, 12, 13
Reported on: September 19, 2022
Disclosure status: Privately disclosed
Improper input validation vulnerability in TIGERF trustlet prior to SMR Apr-2023 Release 1 allows local attackers to access protected data.
The patch add proper input validation.


SVE-2022-2315(CVE-2023-21477): Access of Memory Location After End of Buffer vulnerability in TIGERF trustlet

Severity: Critical
Affected versions: Android 11, 12, 13
Reported on: September 19, 2022
Disclosure status: Privately disclosed
Access of Memory Location After End of Buffer vulnerability in TIGERF trustlet prior to SMR Apr-2023 Release 1 allows local attackers to access protected data.
The patch add proper input validation.


Some SVE items included in the Samsung Android Security Update cannot be disclosed at this time.

Acknowledgements
Zinuo Han https://twitter.com/ele7enxxh of OPPO Amber Security Lab: SVE-2023-0100, SVE-2023-0097
wrlu: SVE-2023-0068
Christopher Wade: SVE-2022-3004, SVE-2022-3001
Michał Bednarski: SVE-2022-2959, SVE-2022-2782
hsia.angsh: SVE-2022-2948, SVE-2022-2947
Stealth Assassin: SVE-2022-2907
Chuan Yu: SVE-2022-2755
hackhackdump: SVE-2022-2614
mart1n and zraxx: SVE-2022-2318, SVE-2022-2315
Samsung Mobile is releasing a maintenance release for major flagship models as part of monthly Security Maintenance Release (SMR) process. This SMR package includes patches from Google and Samsung.


Google patches include patches up to Android Security Bulletin – March 2023 package. The Bulletin (March 2023) contains the following CVE items:

Critical
CVE-2022-33232, CVE-2022-33243, CVE-2022-40514, CVE-2023-20951, CVE-2023-20954

High
CVE-2022-0850, CVE-2022-41222, CVE-2023-20937, CVE-2023-20938, CVE-2023-20602, CVE-2022-33221, CVE-2022-33233, CVE-2022-33248, CVE-2022-33277, CVE-2022-47339, CVE-2022-47331, CVE-2023-20906, CVE-2023-20911, CVE-2023-20917, CVE-2023-20947, CVE-2023-20963, CVE-2023-20956, CVE-2023-20958, CVE-2023-20964, CVE-2023-20926, CVE-2023-20931, CVE-2023-20936, CVE-2023-20953, CVE-2023-20955, CVE-2023-20957, CVE-2023-20959, CVE-2023-20960, CVE-2023-20966, CVE-2022-4452, CVE-2022-20467, CVE-2023-20929, CVE-2023-20952, CVE-2023-20962, CVE-2022-20499

Moderate
None

Already included in previous updates
CVE-2022-40502, CVE-2022-40512, CVE-2022-33271, CVE-2022-33306

Not applicable to Samsung devices
CVE-2022-39189, CVE-2022-39842, CVE-2022-33280, CVE-2022-34145, CVE-2022-34146

※ Please see Android Security Bulletin for detailed information on Google patches.


Samsung Semiconductor patches are also included in this Security Maintenance Release with the following CVE items:

High
CVE-2023-26072, CVE-2023-26073, CVE-2023-26074, CVE-2023-26075, CVE-2023-26076

※ Please see Samsung Semiconductor Product Security Update for detailed information on Samsung Semiconductor patches.


Along with Google and Samsung Semiconductor patches, Samsung Mobile provides 23 Samsung Vulnerabilities and Exposures (SVE) items described below, in order to improve our customer’s confidence on security of Samsung Mobile devices. Samsung security index (SSI), found in “Security software version”, SMR Mar-2023 Release 1 includes all patches from Samsung and Google. Some of the SVE items may not be included in this package, in case these items were already included in a previous maintenance release.


SVE-2022-0604(CVE-2023-21459): Use after free vulnerability in decon driver

Severity: Moderate
Affected versions: Android 11, 12, 13 devices with Exynos2100 chipset
Reported on: February 1, 2023
Disclosure status: Privately disclosed
Use after free vulnerability in decon driver prior to SMR Mar-2023 Release 1 allows attackers to cause memory access fault.
The patch adds proper check logic to prevent use after free.


SVE-2022-2984(CVE-2023-21461): Improper authorization vulnerability in Settings

Severity: Moderate
Affected versions: Android 12, 13
Reported on: December 18, 2022
Disclosure status: Privately disclosed
Improper authorization vulnerability in AutoPowerOnOffConfirmDialog in Settings prior to SMR Mar-2023 Release 1 allows local attacker to turn device off via unprotected activity.
The patch fixes incorrect implementation of AutoPowerOnOffConfirmDialog.


SVE-2022-2802(CVE-2023-21460): Improper authentication in SecSettings

Severity: Moderate
Affected versions: Android 11, 12, 13
Reported on: November 30, 2022
Disclosure status: Privately disclosed
Improper authentication in SecSettings prior to SMR Mar-2023 Release 1 allows attacker to reset the setting.
The patch adds proper authentication logic.


SVE-2022-2781(CVE-2023-21458): Improper privilege management vulnerability in System UI

Severity: Moderate
Affected versions: Android 11, 12, 13
Reported on: November 28, 2022
Disclosure status: Privately disclosed
Improper privilege management vulnerability in PhoneStatusBarPolicy in System UI prior to SMR Mar-2023 Release 1 allows attacker to turn off Do not disturb via unprotected intent.
The patch adds proper protected for the intent.


SVE-2022-2742(CVE-2023-21457): Improper access control vulnerability in Bluetooth

Severity: Moderate
Affected versions: Android 11, 12, 13
Reported on: November 22, 2022
Disclosure status: Privately disclosed
Improper access control vulnerability in Bluetooth prior to SMR Mar-2023 Release 1 allows attackers to send file via Bluetooth without related permission.
The patch addresses unprotected intent action.


SVE-2022-2713(CVE-2023-21456): Path traversal vulnerability in Galaxy Themes Service

Severity: High
Affected versions: Android 11, 12, 13
Reported on: November 17, 2022
Disclosure status: Privately disclosed
Path traversal vulnerability in Galaxy Themes Service prior to SMR Mar-2023 Release 1 allows attacker to access arbitrary file with system uid.
The patch adds proper input validation.


SVE-2022-2678(CVE-2023-21455): Improper authorization in Exynos baseband

Severity: Moderate
Affected versions: Select devices using Exynos CP chipsets
Reported on: November 12, 2022
Disclosure status: Privately disclosed
Improper authorization implementation in Exynos baseband prior to SMR Mar-2023 Release 1 allows incorrect handling of unencrypted message.
The patch adds proper authentication logic.


SVE-2022-2652(CVE-2023-21454): Improper authorization in Samsung Keyboard

Severity: Moderate
Affected versions: Android 13
Reported on: November 9, 2022
Disclosure status: Privately disclosed
Improper authorization in Samsung Keyboard prior to SMR Mar-2023 Release 1 allows physical attacker to access users text history on the lockscreen.
The patch remove the context menu on the lockscreen.


SVE-2022-2316(CVE-2023-21453): Improper input validation vulnerability in SoftSim TA

Severity: High
Affected versions: Selected Android 13 devices
Reported on: September 19, 2022
Disclosure status: Privately disclosed
Improper input validation vulnerability in SoftSim TA prior to SMR Mar-2023 Release 1 allows local attackers access to protected data.
The patch add proper input validation.


SVE-2022-2212(CVE-2023-21452): Implicit intent hijacking vulnerability in Bluetooth

Severity: Moderate
Affected versions: Android 11, 12, 13
Reported on: September 11, 2022
Disclosure status: Privately disclosed
Improper usage of implicit intent in Bluetooth prior to SMR Mar-2023 Release 1 allows attacker to get MAC address of connected device.
The patch change the implicit intent to explicit intent.


SVE-2022-0671(CVE-2023-21449): Improper access control vulnerability in Call application

Severity: Moderate
Affected versions: Select Android 11, 12 devices
Reported on: March 19, 2022
Disclosure status: Privately disclosed
Improper access control vulnerability in Call application prior to SMR Mar-2023 Release 1 allows local attackers to access sensitive information without proper permission.
The patch adds a proper permission to prevent improper access.


Some SVE items included in the Samsung Android Security Update cannot be disclosed at this time.

Acknowledgements
Le Wu of Baidu Security: SVE-2022-0604
Johan Francsics: SVE-2022-2984
Dzmitry Lukyanenka: SVE-2022-2802, SVE-2022-2781
hackhackdump: SVE-2022-2742
Dawuge of Pangu Team: SVE-2022-2713
Bedran Karakoc: SVE-2022-2678
Andr. Ess: SVE-2022-2652
mart1n and zraxx: SVE-2022-2316
Oversecured Inc: SVE-2022-2212
Sergey Toshin: SVE-2022-0671
Samsung Mobile is releasing a maintenance release for major flagship models as part of monthly Security Maintenance Release (SMR) process. This SMR package includes patches from Google and Samsung.


Google patches include patches up to Android Security Bulletin – February 2023 package. The Bulletin (February 2023) contains the following CVE items:

Critical
CVE-2022-42719, CVE-2022-42721, CVE-2022-42720, CVE-2022-41674, CVE-2022-22088

High
CVE-2022-20235, CVE-2023-20928, CVE-2022-2959, CVE-2022-32636, CVE-2022-32637, CVE-2022-25746, CVE-2022-23960, CVE-2022-25725, CVE-2022-33284, CVE-2022-33286, CVE-2022-33276, CVE-2022-33285, CVE-2022-44426, CVE-2022-44425, CVE-2022-44427, CVE-2022-44428, CVE-2022-44431, CVE-2022-44429, CVE-2022-44432, CVE-2022-44430, CVE-2022-44435, CVE-2022-44437, CVE-2022-44434, CVE-2022-44436, CVE-2022-44438, CVE-2022-20443, CVE-2022-20551, CVE-2023-20934, CVE-2023-20942, CVE-2023-20943, CVE-2023-20944, CVE-2023-20948, CVE-2023-20933, CVE-2022-20481, CVE-2022-43680, CVE-2023-20939, CVE-2023-20945, CVE-2023-20946, CVE-2023-20932, CVE-2022-20455, CVE-2020-27059, CVE-2022-20441, CVE-2022-20451

Moderate
None

Already included in previous updates
CVE-2021-35097, CVE-2021-35113, CVE-2021-35134, CVE-2022-33274, CVE-2022-33252, CVE-2022-33253, CVE-2022-33283, CVE-2022-20006

Not applicable to Samsung devices
CVE-2022-32635, CVE-2022-33266, CVE-2022-33255, CVE-2023-20940


※ Please see Android Security Bulletin for detailed information on Google patches.


Along with Google patches, Samsung Mobile provides 7 Samsung Vulnerabilities and Exposures (SVE) items described below, in order to improve our customer’s confidence on security of Samsung Mobile devices. Samsung security index (SSI), found in “Security software version”, SMR Feb-2023 Release 1 includes all patches from Samsung and Google. Some of the SVE items may not be included in this package, in case these items were already included in a previous maintenance release.


SVE-2022-2738(CVE-2023-21440): Improper access control vulnerability in WindowManagerService

Severity: High
Affected versions: T(13)
Reported on: November 21, 2022
Disclosure status: Privately disclosed
Improper access control vulnerability in WindowManagerService prior to SMR Feb-2023 Release 1 allows attackers to take a screen capture.
The patch adds proper permission check to prevent unauthorized access.


SVE-2022-2726(CVE-2023-21439): Improper input validation in UwbDataTxStatusEvent

Severity: High
Affected versions: S(12), T(13)
Reported on: November 19, 2022
Disclosure status: Privately disclosed
Improper input validation vulnerability in UwbDataTxStatusEvent prior to SMR Feb-2023 Release 1 allows attackers to launch certain activities.
The patch adds proper validation logic to prevent privilege escalation.


SVE-2022-2546(CVE-2023-21438): App preview disclosure protected by Secure Folder in Recents

Severity: Moderate
Affected versions: R(11), S(12)
Reported on: October 25, 2022
Disclosure status: Privately disclosed
Improper logic in HomeScreen prior to SMR Feb-2023 Release 1 allows physical attacker to access App preview protected by Secure Folder.
The patch adds proper validation logic to prevent unauthorized access.


SVE-2022-2328(CVE-2023-21437): Improper access control vulnerability in Phone application

Severity: Moderate
Affected versions: Q(10), R(11), S(12), T(13)
Reported on: September 20, 2022
Disclosure status: Privately disclosed
Improper access control vulnerability in Phone application prior to SMR Feb-2023 Release 1 allows local attackers to access sensitive information via implicit broadcast.
The patch adds proper permission to prevent improper access.


SVE-2022-2296(CVE-2023-21436): Implicit intent hijacking vulnerability in Contacts

Severity: Moderate
Affected versions: Q(10), R(11), S(12), T(13)
Reported on: September 17, 2022
Disclosure status: Privately disclosed
Improper usage of implicit intent in Contacts prior to SMR Feb-2023 Release 1 allows attacker to get account ID.
The patch change the implicit intent to explicit intent.


SVE-2022-2195(CVE-2023-21435): Exposure of Sensitive Information vulnerability in Fingerprint TA

Severity: Moderate
Affected versions: Select R(11), S(12), T(13) devices
Reported on: September 9, 2022
Disclosure status: Privately disclosed
Exposure of sensitive information vulnerability in Fingerprint TA prior to SMR Feb-2023 Release 1 allows attackers to access the memory address information via log.
The patch removes log that show the memory address.


Some SVE items included in the Samsung Android Security Update cannot be disclosed at this time.

Acknowledgements
Michał Bednarski: SVE-2022-2738
Binwei Shen: SVE-2022-2726
Emilio Garza Cantu: SVE-2022-2546
Oversecured Inc: SVE-2022-2328, SVE-2022-2296
Zhongquan Li @ ADLab of VenusTech: SVE-2022-2195
Samsung Mobile is releasing a maintenance release for major flagship models as part of monthly Security Maintenance Release (SMR) process. This SMR package includes patches from Google and Samsung.


Google patches include patches up to Android Security Bulletin – January 2023 package. The Bulletin (January 2023) contains the following CVE items:

Critical
None

High
CVE-2021-39660, CVE-2022-23960(A-215557547), CVE-2022-32619, CVE-2022-32594, CVE-2022-32597, CVE-2022-32598, CVE-2022-32596, CVE-2022-25698, CVE-2022-25697, CVE-2022-25681, CVE-2022-25672, CVE-2022-25685, CVE-2022-25692, CVE-2022-25689, CVE-2022-25673, CVE-2022-25695, CVE-2022-25691, CVE-2022-25702, CVE-2022-25682, CVE-2022-33235, CVE-2022-39106, CVE-2022-39129, CVE-2022-39130, CVE-2022-39131, CVE-2022-39132, CVE-2022-39134, CVE-2022-42756, CVE-2022-42754, CVE-2022-42755, CVE-2022-39133, CVE-2022-42771, CVE-2022-42770, CVE-2022-42772, CVE-2022-20456, CVE-2022-20489, CVE-2022-20490, CVE-2022-20492, CVE-2022-20493, CVE-2023-20912, CVE-2023-20916, CVE-2023-20919, CVE-2023-20920, CVE-2023-20921, CVE-2022-20494, CVE-2023-20922, CVE-2022-20461, CVE-2023-20904, CVE-2023-20905, CVE-2023-20913, CVE-2023-20915

Moderate
None

Already included in previous updates
CVE-2022-32620, CVE-2022-33238, CVE-2022-33268

Not applicable to Samsung devices
None


※ Please see Android Security Bulletin for detailed information on Google patches.


Along with Google patches, Samsung Mobile provides 20 Samsung Vulnerabilities and Exposures (SVE) items described below, in order to improve our customer’s confidence on security of Samsung Mobile devices. Samsung security index (SSI), found in “Security software version”, SMR Jan-2023 Release 1 includes all patches from Samsung and Google. Some of the SVE items may not be included in this package, in case these items were already included in a previous maintenance release.


SVE-2022-2537(CVE-2023-21430): An out-of-bound read vulnerability in libSDKRecognitionText.spensdk.samsung.so library

Severity: Moderate
Affected versions: Q(10), R(11), S(12), T(13)
Reported on: October 24, 2022
Disclosure status: Privately disclosed
An out-of-bound read vulnerability in mapToBuffer function in libSDKRecognitionText.spensdk.samsung.so library prior to SMR Jan-2023 Release 1 allows attacker to cause memory access fault.
The patch adds proper boundary check logic to prevent out-of-bound access.


SVE-2022-2338(CVE-2023-21429): Implicit intent hijacking vulnerability in ePDG

Severity: Moderate
Affected versions: Q(10), R(11), S(12), T(13)
Reported on: September 20, 2022
Disclosure status: Privately disclosed
Improper usage of implicit intent in ePDG prior to SMR Jan-2023 Release 1 allows attacker to access SSID.
The patch change the implicit intent to explicit intent.


SVE-2022-2320(CVE-2023-21428): Improper input validation vulnerability in TelephonyUI

Severity: Moderate
Affected versions: R(11), S(12), T(13)
Reported on: September 19, 2022
Disclosure status: Privately disclosed
Improper input validation vulnerability in TelephonyUI prior to SMR Jan-2023 Release 1 allows attackers to configure Preferred Call.
The patch removes unused code.


SVE-2022-2280(CVE-2023-21427): Improper access control vulnerabilities in NfcTile

Severity: Moderate
Affected versions: R(11), S(12), T(13)
Reported on: September 15, 2022
Disclosure status: Privately disclosed
Improper access control vulnerability in NfcTile prior to SMR Jan-2023 Release 1 allows to attacker to use NFC without user recognition.
The patch adds proper permission in NfcTile to prevent unauthorized access.


SVE-2022-2278(CVE-2023-21426): Hardcoded encryption key vulnerability in NFC

Severity: Moderate
Affected versions: Select Q(10) devices
Reported on: September 15, 2022
Disclosure status: Privately disclosed
Hardcoded AES key to encrypt cardemulation PINs in NFC prior to SMR Jan-2023 Release 1 allows attackers to access cardemulation PIN.
The patch adds proper usage of random private key api to prevent key exposure.


SVE-2022-2261(CVE-2023-21425): Improper access control vulnerability in telecom application

Severity: Moderate
Affected versions: Q(10), R(11), S(12), T(13)
Reported on: September 15, 2022
Disclosure status: Privately disclosed
Improper access control vulnerability in telecom application prior to SMR Jan-2023 Release 1 allows local attackers to get sensitive information.
The patch adds proper access control logic to prevent sensitive information leakage.


SVE-2022-2118(CVE-2023-21424): Improper Authorization vulnerability in SemChameleonHelper

Severity: Moderate
Affected versions: R(11), S(12), T(13)
Reported on: September 3, 2022
Disclosure status: Privately disclosed
Improper handling of insufficient permissions or privileges vulnerability in SemChameleonHelper prior to SMR Jan-2023 Release 1 allows attacker to modify network related values, network code, carrier id and operator brand.
The patch restricts privilege of the app that calls SemChameleonHelper in Telephony.


SVE-2022-1967(CVE-2023-21423): Improper authorization vulnerability in ChnFileShareKit

Severity: Moderate
Affected versions: S(12), T(13)
Reported on: August 17, 2022
Disclosure status: Privately disclosed
Improper authorization vulnerability in ChnFileShareKit prior to SMR Jan-2023 Release 1 allows attacker to control BLE advertising without permission using unprotected action.
The patch adds proper permission.


SVE-2022-1931(CVE-2023-21422): Improper authorization vulnerability in WifiSevice

Severity: Moderate
Affected versions: R(11), S(12)
Reported on: August 14, 2022
Disclosure status: Privately disclosed
Improper authorization vulnerability in semAddPublicDnsAddr in WifiSevice prior to SMR Jan-2023 Release 1 allows attackers to set custom DNS server without permission via binding WifiService.
The patch adds permission check logic when call the service API.


SVE-2022-1672(CVE-2023-21421): Improper Handling of Insufficient Permissions or Privileges vulnerability in Knox Service

Severity: Moderate
Affected versions: Q(10), R(11), S(12), T(13)
Reported on: July 14, 2022
Disclosure status: Privately disclosed
Improper handling of insufficient permissions or privileges vulnerability in KnoxCustomManagerService prior to SMR Jan-2023 Release 1 allows attacker to access device SIM PIN.
The patch adds proper signature check in KnoxCustomManagerService to prevent unauthorized access.


SVE-2022-1364(CVE-2023-21420): Use of Externally-Controlled Format String vulnerabilities in STST TA

Severity: High
Affected versions: Q(10), R(11) devices with Teegris
Reported on: June 3, 2022
Disclosure status: Privately disclosed
Use of Externally-Controlled Format String vulnerabilities in STST TA prior to SMR Jan-2023 Release 1 allows arbitrary code execution.
The patch restricts the triggering for the print of externally controlled format string code.


SVE-2022-0471(CVE-2023-21419): A vulnerability in Secure Folder

Severity: Moderate
Affected versions: S(12)
Reported on: February 28, 2022
Disclosure status: Privately disclosed
An improper implementation logic in Secure Folder prior to SMR Jan-2023 Release 1 allows the Secure Folder container remain unlocked under certain condition.
The patch adds restriction that lock the SecureFolder container when PIP is closed.


Some SVE items included in the Samsung Android Security Update cannot be disclosed at this time.

Acknowledgements
dg: SVE-2022-2537
Oversecured Inc: SVE-2022-2338, SVE-2022-2320, SVE-2022-2280, SVE-2022-2278, SVE-2022-2261, SVE-2022-2118, SVE-2022-1931, SVE-2022-1672
Stealth Assassin: SVE-2022-1967
Thalium: SVE-2022-1364
Vijay Vignesh Baskaran: SVE-2022-0471