Type conversion in MediaTek products - CVE-2022-21786
Published: July 8, 2022
Vulnerability identifier: #VU65053
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-2022-21786
CWE-ID: CWE-704
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 type conversion error in audio DSP. A local application can trigger memory corruption and execute arbitrary code with elevated privileges.
Affected software
MT6833
MT6879
MT6895
MT6983
MT8791
MT8798
MT6853
MT6873
MT6877
MT6885
MT6893
MT8797
MT6879
MT6895
MT6983
MT8791
MT8798
MT6853
MT6873
MT6877
MT6885
MT6893
MT8797
How to mitigate CVE-2022-21786
Install updates from vendor's website.