Permissions, Privileges, and Access Controls in MediaTek products - CVE-2022-26473

Vulnerability identifier: #VU67841

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-2022-26473

CWE-ID: CWE-264

Exploitation vector: Local access

Exploit availability: No public exploit available

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

The vulnerability exists due to improper locking within the vdec fmt component. A local application with System execution permissions can execute arbitrary code.

MT6789
MT6855
MT6879
MT6895
MT6983
MT8168
MT8365
MT8695
MT8696
MT8798

Install updates from vendor's website.

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

• Multiple vulnerabilities in MediaTek chipsets