Race condition in MediaTek products - CVE-2022-20082

Vulnerability identifier: #VU65026

CSH Severity: Low

CVSSv4.0: 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:U/U:Clear

CVE-ID: CVE-2022-20082

CWE-ID: CWE-362

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
MT6768
MT6769
MT6789
MT6833
MT6879
MT6895
MT6983
MT6781
MT6785
MT6853
MT6853T
MT6873
MT6875
MT6877
MT6883
MT6885
MT6889
MT6893

Software vendor:
MediaTek

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

The vulnerability exists due to a race condition in GPU component. A local application can exploit the race to trigger a use-after-free error and escalate privileges on the system.

Install updates from vendor's website.

• https://corp.mediatek.com/product-security-bulletin/July-2022