Time-of-check Time-of-use (TOCTOU) Race Condition in MediaTek products - CVE-2022-32638
Published: January 3, 2023
Vulnerability identifier: #VU70632
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-2022-32638
CWE-ID: CWE-367
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 within isp component. A local application can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.
Affected software
MT8321
MT8791T
MT8791
MT8789
MT8788
MT8786
MT8768
MT8766
MT8765
MT8675
MT8666
MT8385
MT8365
MT8362A
MT8185
MT8175
MT8173
MT8168
MT8167S
MT8167
MT6855
MT6833
MT8797
MT6781
MT6893
MT6885
MT6877
MT6873
MT6853
MT8791T
MT8791
MT8789
MT8788
MT8786
MT8768
MT8766
MT8765
MT8675
MT8666
MT8385
MT8365
MT8362A
MT8185
MT8175
MT8173
MT8168
MT8167S
MT8167
MT6855
MT6833
MT8797
MT6781
MT6893
MT6885
MT6877
MT6873
MT6853
How to mitigate CVE-2022-32638
Install updates from vendor's website.