Race condition in MediaTek products - CVE-2022-21772
Published: July 8, 2022
Vulnerability identifier: #VU65040
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-21772
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to a race condition in TEEI driver. A local application can exploit the race and escalate privileges on the system.
Affected software
MT6983
MT8791
MT8788
MT8786
MT8785
MT8768
MT8766
MT8765
MT8185
MT6761
MT6895
MT6879
MT6833
MT6771
MT6768
MT6765
MT8797
MT6893
MT6885
MT6779
MT8791
MT8788
MT8786
MT8785
MT8768
MT8766
MT8765
MT8185
MT6761
MT6895
MT6879
MT6833
MT6771
MT6768
MT6765
MT8797
MT6893
MT6885
MT6779
How to mitigate CVE-2022-21772
Install updates from vendor's website.