Race condition in MediaTek products - CVE-2022-21774
Published: July 8, 2022
Vulnerability identifier: #VU65042
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-2022-21774
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
MT6761
MT6765
MT6768
MT6771
MT6833
MT6879
MT6895
MT6983
MT6779
MT6781
MT6785
MT6853
MT6875
MT6877
MT6885
MT6893
MT6765
MT6768
MT6771
MT6833
MT6879
MT6895
MT6983
MT6779
MT6781
MT6785
MT6853
MT6875
MT6877
MT6885
MT6893
How to mitigate CVE-2022-21774
Install updates from vendor's website.