Memory corruption in MediaTek products - CVE-2021-0664

Vulnerability identifier: #VU72977

CSH Severity: Low

CVSSv4.0: 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-2021-0664

CWE-ID: CWE-119

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
MT6765
MT6768
MT6771
MT6833
MT8183
MT8385
MT8768
MT8788
MT6779
MT6785
MT6853
MT6873
MT6877
MT6885
MT6889

Software vendor:
MediaTek

The vulnerability allows a local privileged application to execute arbitrary code.

The vulnerability exists due to a use after free within ccu. A local privileged application can execute arbitrary code.

Install security update from vendor's website.

• https://corp.mediatek.com/product-security-bulletin/November-2021