Race condition in MediaTek products - CVE-2022-21789
Published: August 3, 2022 / Updated: August 16, 2022
Vulnerability identifier: #VU66038
CSH Severity: Low
CVSS v4.0: 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/E:P/U:Clear
CVE-ID: CVE-2022-21789
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vendor: MediaTek
Affected software:
MT6779
MT6781
MT6785
MT6853
MT6853T
MT6873
MT6875
MT6877
MT6883
MT6885
MT6889
MT6891
MT6893
MT8797
MT6879
MT6895
MT6983
MT6985
MT8791
MT8798
MT6779
MT6781
MT6785
MT6853
MT6853T
MT6873
MT6875
MT6877
MT6883
MT6885
MT6889
MT6891
MT6893
MT8797
MT6879
MT6895
MT6983
MT6985
MT8791
MT8798
Detailed vulnerability description
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to a race condition within the audio ipi. A local application can exploit the race and escalate privileges on the system.
How to mitigate CVE-2022-21789
Install updates from vendor's website.