Stack-based buffer overflow in MediaTek products - CVE-2022-32646

Vulnerability identifier: #VU70645

CSH Severity: Low

CVSS v4.0: 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/E:U/U:Clear

CVE-ID: CVE-2022-32646

CWE-ID: CWE-121

Exploitation vector: Local access

Exploit availability: No public exploit available

Vendor: MediaTek

Affected software:
MT6761
MT6765
MT6768
MT6789
MT6833
MT6855
MT6879
MT6895
MT6983
MT8675
MT8766
MT8781
MT8791
MT6779
MT6781
MT6785
MT6853
MT6873
MT6877
MT6883
MT6885
MT6889
MT6893

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a boundary error within gpu drm component. A local application can trigger stack-based buffer overflow and escalate privileges on the system.

Install updates from vendor's website.

• https://corp.mediatek.com/product-security-bulletin/January-2023