Use After Free in MediaTek products - CVE-2022-20035
Published: March 7, 2023
Vulnerability identifier: #VU73013
CSH Severity: Low
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-20035
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local privileged application to execute arbitrary code.
The vulnerability exists due to a use after free within vcu driver. A local privileged application can execute arbitrary code.
Affected software
MT8168
MT8791
MT8789
MT8788
MT8786
MT8768
MT8766
MT8765
MT8385
MT8365
MT8362A
MT8321
MT8185
MT8175
MT8173
MT6768
MT8167
MT6890
MT6833
MT6769
MT8797
MT6893
MT6891
MT6885
MT6877
MT6873
MT6853T
MT6853
MT6785
MT6781
MT6779
MT8791
MT8789
MT8788
MT8786
MT8768
MT8766
MT8765
MT8385
MT8365
MT8362A
MT8321
MT8185
MT8175
MT8173
MT6768
MT8167
MT6890
MT6833
MT6769
MT8797
MT6893
MT6891
MT6885
MT6877
MT6873
MT6853T
MT6853
MT6785
MT6781
MT6779
How to mitigate CVE-2022-20035
Install security update from vendor's website.