April 2023 Product Security Bulletin

Published 2023-04-06
The MediaTek Product Security Bulletin contains details of security vulnerabilities affecting MediaTek Smartphone, Tablet, AIoT, Smart display, Smart platform and OTT chipsets. Device OEMs have been notified of all the issues and the corresponding security patches for at least two months before publication.

The severity of the identified vulnerabilities was conducted based on the Common Vulnerability Scoring System version 3.1 (CVSS v3.1).


Summary

Severity CVEs
High CVE-2022-32599, CVE-2023-20652, CVE-2023-20653, CVE-2023-20654, CVE-2023-20655, CVE-2023-20656, CVE-2023-20657
Medium CVE-2023-20658, CVE-2023-20659, CVE-2023-20660, CVE-2023-20661, CVE-2023-20662, CVE-2023-20663, CVE-2023-20664, CVE-2023-20665, CVE-2023-20666, CVE-2023-20670, CVE-2023-20674, CVE-2023-20675, CVE-2023-20676, CVE-2023-20677, CVE-2023-20679, CVE-2023-20680, CVE-2023-20681, CVE-2023-20682, CVE-2023-20684, CVE-2023-20685, CVE-2023-20686, CVE-2023-20687, CVE-2023-20688


Details

CVE CVE-2022-32599
Title Out-of-bounds write in rpmb
Severity High
Vulnerability Type EoP
CWE CWE-787 Out-of-bounds Write
Description In rpmb, there is a possible out of bounds write due to a logic error. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6580, MT6731, MT6735, MT6737, MT6739, MT6753, MT6757, MT6757C, MT6757CD, MT6757CH, MT6761, MT6762, MT6763, MT6765, MT6768, MT6769, MT6771, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT6983, MT8185, MT8321, MT8385, MT8765, MT8766, MT8768, MT8771, MT8781, MT8786, MT8788, MT8789
Affected Software Versions Android 10.0, 11.0, 12.0, 13.0

CVE CVE-2023-20652
Title Improper input validation in keyinstall
Severity High
Vulnerability Type EoP
CWE CWE-20 Improper Input Validation
Description In keyinstall, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6580, MT6731, MT6735, MT6737, MT6739, MT6753, MT6757, MT6757C, MT6757CD, MT6757CH, MT6761, MT6762, MT6763, MT6765, MT6768, MT6769, MT6771, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT6983, MT8185, MT8192, MT8321, MT8385, MT8666, MT8667, MT8673, MT8675, MT8765, MT8766, MT8768, MT8771, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8795T, MT8797, MT8798, MT8871, MT8891
Affected Software Versions Android 10.0, 11.0, 12.0, 13.0

CVE CVE-2023-20653
Title Improper input validation in keyinstall
Severity High
Vulnerability Type EoP
CWE CWE-20 Improper Input Validation
Description In keyinstall, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6580, MT6731, MT6735, MT6737, MT6739, MT6753, MT6757, MT6757C, MT6757CD, MT6757CH, MT6761, MT6762, MT6763, MT6765, MT6768, MT6769, MT6771, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT6983, MT8185, MT8192, MT8321, MT8385, MT8666, MT8667, MT8673, MT8675, MT8765, MT8766, MT8768, MT8771, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8795T, MT8797, MT8798, MT8871, MT8891
Affected Software Versions Android 10.0, 11.0, 12.0, 13.0

CVE CVE-2023-20654
Title Improper input validation in keyinstall
Severity High
Vulnerability Type EoP
CWE CWE-20 Improper Input Validation
Description In keyinstall, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6580, MT6731, MT6735, MT6737, MT6739, MT6753, MT6757, MT6757C, MT6757CD, MT6757CH, MT6761, MT6762, MT6763, MT6765, MT6768, MT6769, MT6771, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT6983, MT8185, MT8192, MT8321, MT8385, MT8666, MT8667, MT8673, MT8675, MT8765, MT8766, MT8768, MT8771, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8795T, MT8797, MT8798, MT8871, MT8891
Affected Software Versions Android 10.0, 11.0, 12.0, 13.0

CVE CVE-2023-20655
Title Improper input validation in mmsdk
Severity High
Vulnerability Type EoP
CWE CWE-20 Improper Input Validation
Description In mmsdk, there is a possible escalation of privilege due to a parcel format mismatch. This could lead to local code execution with no additional execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT2715, MT6580, MT6735, MT6737, MT6739, MT6753, MT6761, MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6877, MT6879, MT6883, MT6885, MT6889, MT6893, MT6895, MT6983, MT8167, MT8167S, MT8168, MT8173, MT8175, MT8185, MT8192, MT8195, MT8321, MT8362A, MT8365, MT8385, MT8395, MT8666, MT8667, MT8673, MT8675, MT8765, MT8766, MT8768, MT8771, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8795T, MT8797, MT8798, MT8871, MT8891
Affected Software Versions Android 10.0, 11.0, 12.0, 13.0

CVE CVE-2023-20656
Title Write-what-where condition in geniezone
Severity High
Vulnerability Type EoP
CWE CWE-123 Write-what-where Condition
Description In geniezone, there is a possible out of bounds write due to a logic error. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6855, MT6873, MT6877, MT6879, MT6883, MT6885, MT6889, MT6893, MT6895, MT6983, MT8321, MT8385, MT8765, MT8766, MT8768, MT8771, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8795T, MT8797, MT8798
Affected Software Versions Android 10.0, 11.0, 12.0, 13.0

CVE CVE-2023-20657
Title Out-of-bounds write in mtee
Severity High
Vulnerability Type EoP
CWE CWE-787 Out-of-bounds Write
Description In mtee, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6580, MT6735, MT6737, MT6739, MT6753, MT6761, MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6877, MT6879, MT6883, MT6885, MT6889, MT6893, MT6983, MT8321, MT8385, MT8765, MT8766, MT8768, MT8771, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8795T, MT8797, MT8798
Affected Software Versions Android 10.0, 11.0, 12.0, 13.0

CVE CVE-2023-20658
Title Improper input validation in isp
Severity Medium
Vulnerability Type EoP
CWE CWE-20 Improper Input Validation
Description In isp, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6895, MT6983, MT8188, MT8195, MT8673, MT8795T, MT8798
Affected Software Versions Android 12.0, 13.0

CVE CVE-2023-20659
Title Improper input validation in wlan
Severity Medium
Vulnerability Type EoP
CWE CWE-20 Improper Input Validation
Description In wlan, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT5221, MT6781, MT6789, MT6833, MT6855, MT6877, MT6879, MT6895, MT6983, MT7663, MT7668, MT7902, MT7921, MT8167S, MT8168, MT8169, MT8175, MT8185, MT8362A, MT8365, MT8385, MT8518, MT8532, MT8675, MT8766, MT8768, MT8771, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8797, MT8798
Affected Software Versions Android 11.0, 12.0, 13.0 / Yocto 3.1, 3.3, 4.0 / Linux-4.19 (for MT5221, MT7663, MT7668, MT7902 and MT7921 chipsets only)

CVE CVE-2023-20660
Title Improper input validation in wlan
Severity Medium
Vulnerability Type ID
CWE CWE-20 Improper Input Validation
Description In wlan, there is a possible out of bounds read due to an integer overflow. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT5221, MT6879, MT6895, MT6983, MT7902, MT7921, MT8167S, MT8168, MT8175, MT8362A, MT8365, MT8385, MT8518, MT8532, MT8696, MT8766, MT8768, MT8771, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8795T, MT8797, MT8798
Affected Software Versions Android 12.0, 13.0 / Yocto 3.1, 3.3, 4.0 / Linux-4.19 (for MT5221, MT7921 and MT7902 chipsets only)

CVE CVE-2023-20661
Title Improper input validation in wlan
Severity Medium
Vulnerability Type EoP
CWE CWE-20 Improper Input Validation
Description In wlan, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT5221, MT6879, MT6895, MT6983, MT7902, MT7921, MT8167S, MT8168, MT8175, MT8362A, MT8365, MT8385, MT8518, MT8532, MT8696, MT8766, MT8768, MT8771, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8795T, MT8797, MT8798
Affected Software Versions Android 12.0, 13.0 / Yocto 3.1, 3.3, 4.0 / Linux-4.19 (for MT5221, MT7921 and MT7902 chipsets only)

CVE CVE-2023-20662
Title Improper input validation in wlan
Severity Medium
Vulnerability Type EoP
CWE CWE-20 Improper Input Validation
Description In wlan, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT5221, MT6879, MT6895, MT6983, MT7902, MT7921, MT8167S, MT8168, MT8175, MT8362A, MT8365, MT8385, MT8518, MT8532, MT8696, MT8766, MT8768, MT8771, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8795T, MT8797, MT8798
Affected Software Versions Android 12.0, 13.0 / Yocto 3.1, 3.3, 4.0 / Linux-4.19 (for MT5221, MT7921 and MT7902 chipsets only)

CVE CVE-2023-20663
Title Improper input validation in wlan
Severity Medium
Vulnerability Type EoP
CWE CWE-20 Improper Input Validation
Description In wlan, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT5221, MT6879, MT6895, MT6983, MT7902, MT7921, MT8167S, MT8168, MT8175, MT8362A, MT8365, MT8385, MT8518, MT8532, MT8696, MT8766, MT8768, MT8771, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8795T, MT8797, MT8798
Affected Software Versions Android 12.0, 13.0 / Yocto 3.1, 3.3, 4.0 / Linux-4.19 (for MT5221, MT7921 and MT7902 chipsets only)

CVE CVE-2023-20664
Title Double free in gz
Severity Medium
Vulnerability Type EoP
CWE CWE-415 Double Free
Description In gz, there is a possible double free due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6580, MT6735, MT6737, MT6739, MT6753, MT6761, MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6877, MT6879, MT6883, MT6885, MT6889, MT6893, MT6895, MT6983, MT8168, MT8185, MT8188, MT8321, MT8362A, MT8365, MT8385, MT8666, MT8673, MT8675, MT8696, MT8765, MT8766, MT8768, MT8771, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8795T, MT8797, MT8798, MT8871, MT8891
Affected Software Versions Android 10.0, 11.0, 12.0, 13.0

CVE CVE-2023-20665
Title Improper input validation in ril
Severity Medium
Vulnerability Type ID
CWE CWE-20 Improper Input Validation
Description In ril, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6739, MT6761, MT6762, MT6763, MT6765, MT6768, MT6769, MT6771, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT6983, MT8321, MT8365, MT8765, MT8766, MT8768, MT8771, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8795T, MT8797, MT8798
Affected Software Versions Android 12.0, 13.0

CVE CVE-2023-20666
Title Improper input validation in display drm
Severity Medium
Vulnerability Type EoP
CWE CWE-20 Improper Input Validation
Description In display drm, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6789, MT6855, MT6895, MT6983, MT8188, MT8195, MT8365, MT8781, MT8795T, MT8798
Affected Software Versions Android 12.0, 13.0

CVE CVE-2023-20670
Title Improper input validation in audio
Severity Medium
Vulnerability Type EoP
CWE CWE-20 Improper Input Validation
Description In audio, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT2715, MT6580, MT6739, MT6761, MT6765, MT6768, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6877, MT6879, MT6883, MT6885, MT6889, MT6893, MT6895, MT6983, MT8167, MT8188, MT8195, MT8321, MT8365, MT8385, MT8675, MT8696, MT8765, MT8766, MT8768, MT8771, MT8781, MT8786, MT8788, MT8789, MT8791, MT8795T, MT8797, MT8798, MT8871, MT8891
Affected Software Versions Android 12.0, 13.0

CVE CVE-2023-20674
Title Improper input validation in wlan
Severity Medium
Vulnerability Type ID
CWE CWE-20 Improper Input Validation
Description In wlan, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT5221, MT6781, MT6789, MT6833, MT6855, MT6877, MT6879, MT6895, MT6983, MT7663, MT7668, MT7902, MT7921, MT8167S, MT8168, MT8169, MT8175, MT8185, MT8362A, MT8365, MT8385, MT8518, MT8532, MT8675, MT8695, MT8766, MT8768, MT8771, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8797, MT8798
Affected Software Versions Android 11.0, 12.0, 13.0 / Yocto 3.1, 3.3, 4.0 / Linux-4.19 (for MT5221, MT7663, MT7668, MT7902 and MT7921 chipsets only)

CVE CVE-2023-20675
Title Improper input validation in wlan
Severity Medium
Vulnerability Type ID
CWE CWE-20 Improper Input Validation
Description In wlan, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT5221, MT6781, MT6789, MT6833, MT6855, MT6877, MT6879, MT6895, MT6983, MT7663, MT7668, MT7902, MT7921, MT8167S, MT8168, MT8169, MT8175, MT8185, MT8362A, MT8365, MT8385, MT8518, MT8532, MT8675, MT8695, MT8766, MT8768, MT8771, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8797, MT8798
Affected Software Versions Android 11.0, 12.0, 13.0 / Yocto 3.1, 3.3, 4.0 / Linux-4.19 (for MT5221, MT7663, MT7668, MT7902 and MT7921 chipsets only)

CVE CVE-2023-20676
Title Improper input validation in wlan
Severity Medium
Vulnerability Type ID
CWE CWE-20 Improper Input Validation
Description In wlan, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT5221, MT6781, MT6789, MT6833, MT6855, MT6877, MT6879, MT6895, MT6983, MT7663, MT7668, MT7902, MT7921, MT8167S, MT8168, MT8169, MT8175, MT8185, MT8362A, MT8365, MT8385, MT8518, MT8532, MT8675, MT8695, MT8766, MT8768, MT8771, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8797, MT8798
Affected Software Versions Android 11.0, 12.0, 13.0 / Yocto 3.1, 3.3, 4.0 / Linux-4.19 (for MT5221, MT7663, MT7668, MT7902 and MT7921 chipsets only)

CVE CVE-2023-20677
Title Improper input validation in wlan
Severity Medium
Vulnerability Type ID
CWE CWE-20 Improper Input Validation
Description In wlan, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT5221, MT6781, MT6789, MT6833, MT6855, MT6877, MT6879, MT6895, MT6983, MT7663, MT7668, MT7902, MT7921, MT8167S, MT8168, MT8169, MT8175, MT8185, MT8362A, MT8365, MT8385, MT8518, MT8532, MT8675, MT8695, MT8766, MT8768, MT8771, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8797, MT8798
Affected Software Versions Android 11.0, 12.0, 13.0 / Yocto 3.1, 3.3, 4.0 / Linux-4.19 (for MT5221, MT7663, MT7668, MT7902 and MT7921 chipsets only)

CVE CVE-2023-20679
Title Improper input validation in wlan
Severity Medium
Vulnerability Type ID
CWE CWE-20 Improper Input Validation
Description In wlan, there is a possible out of bounds read due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT5221, MT6781, MT6789, MT6833, MT6855, MT6877, MT6879, MT6895, MT6983, MT7663, MT7668, MT7902, MT7921, MT8167S, MT8168, MT8169, MT8175, MT8185, MT8362A, MT8365, MT8385, MT8518, MT8532, MT8675, MT8695, MT8766, MT8768, MT8771, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8797, MT8798
Affected Software Versions Android 11.0, 12.0, 13.0 / Yocto 3.1, 3.3, 4.0 / Linux-4.19 (for MT5221, MT7663, MT7668, MT7902 and MT7921 chipsets only)

CVE CVE-2023-20680
Title Improper input validation in adsp
Severity Medium
Vulnerability Type EoP
CWE CWE-20 Improper Input Validation
Description In adsp, there is a possible out of bounds write due to improper input validation. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6779, MT6781, MT6785, MT6833, MT6853, MT6873, MT6877, MT6879, MT6885, MT6893, MT6895, MT6983, MT8365, MT8695, MT8771, MT8781, MT8791, MT8791T, MT8795T, MT8797, MT8798
Affected Software Versions Android 11.0, 12.0, 13.0

CVE CVE-2023-20681
Title Improper input validation in adsp
Severity Medium
Vulnerability Type EoP
CWE CWE-20 Improper Input Validation
Description In adsp, there is a possible out of bounds write due to improper input validation. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6886, MT6895, MT6983, MT6985, MT8365, MT8771, MT8781, MT8781WIFI, MT8791, MT8791T, MT8791WIFI, MT8795T, MT8797, MT8797WIFI, MT8798
Affected Software Versions Android 12.0, 13.0

CVE CVE-2023-20682
Title Improper input validation in wlan
Severity Medium
Vulnerability Type EoP
CWE CWE-20 Improper Input Validation
Description In wlan, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT5221, MT6580, MT6735, MT6765, MT6768, MT6771, MT6779, MT6785, MT6833, MT6853, MT6873, MT6877, MT6885, MT6983, MT7663, MT7668, MT7902, MT7921, MT7933, MT8167S, MT8168, MT8169, MT8175, MT8185, MT8362A, MT8365, MT8385, MT8518, MT8532, MT8675, MT8695, MT8766, MT8768, MT8771, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8797, MT8798
Affected Software Versions Android 11.0, 12.0, 13.0 / Yocto 3.1, 3.3, 4.0 / Linux-4.19 (for MT5221, MT7663, MT7668, MT7902 and MT7921 chipsets only)

CVE CVE-2023-20684
Title Concurrent execution using shared resource with improper synchronization ('race condition') in vdec
Severity Medium
Vulnerability Type EoP
CWE CWE-662 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Description In vdec, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6789, MT6855, MT6879, MT6895, MT6983, MT8673, MT8781, MT8795T, MT8798, MT8891
Affected Software Versions Android 12.0, 13.0

CVE CVE-2023-20685
Title Concurrent execution using shared resource with improper synchronization ('race condition') in vdec
Severity Medium
Vulnerability Type EoP
CWE CWE-662 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Description In vdec, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6789, MT6855, MT6879, MT6895, MT6983, MT8673, MT8781, MT8795T, MT8798, MT8891
Affected Software Versions Android 12.0, 13.0

CVE CVE-2023-20686
Title Improper synchronization in display drm
Severity Medium
Vulnerability Type EoP
CWE CWE-662 Improper Synchronization
Description In display drm, there is a possible double free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6879, MT6895, MT6983, MT8781
Affected Software Versions Android 12.0, 13.0

CVE CVE-2023-20687
Title Improper synchronization in display drm
Severity Medium
Vulnerability Type EoP
CWE CWE-662 Improper Synchronization
Description In display drm, there is a possible double free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT6879, MT6895, MT6983, MT8781
Affected Software Versions Android 12.0, 13.0

CVE CVE-2023-20688
Title Active debug code in power
Severity Medium
Vulnerability Type ID
CWE CWE-489 Active Debug Code
Description In power, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.
Affected Chipsets MT2715, MT6580, MT6731, MT6735, MT6737, MT6739, MT6753, MT6757, MT6757C, MT6757CD, MT6757CH, MT6761, MT6762, MT6763, MT6765, MT6768, MT6769, MT6771, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT6983, MT8167, MT8168, MT8169, MT8173, MT8175, MT8183, MT8185, MT8188, MT8192, MT8195, MT8321, MT8362A, MT8365, MT8385, MT8390, MT8395, MT8666, MT8673, MT8675, MT8696, MT8765, MT8766, MT8768, MT8771, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8795T, MT8797, MT8798, MT8891
Affected Software Versions Android 11.0, 12.0, 13.0


Vulnerability Type Definition

Abbreviation Definition
RCE Remote Code Execution
EoP Elevation of Privilege
ID Information Disclosure
DoS Denial of Service
N/A Classification not available


Versions

Version Date Description
1.0 April 6, 2023 Bulletin published.


Notes

Information above is generated only at the time of creation of this Security Bulletin. The list of affected chipsets could be not complete. For any further information, device OEMs can reach your MediaTek contact person if needed.

If you want to report a security vulnerability in MediaTek chipsets or products, please go to Report Security Vulnerability page on MediaTek website.