#VU80276 Improper input validation in MediaTek products - CVE-2023-20823

Vulnerability identifier: #VU80276

Vulnerability risk: Low

CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2023-20823

CWE-ID: CWE-20

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
MT6768
MT6833
MT8765
MT8766
MT8768
MT8781
MT8786
MT8788
MT8789
MT6781
MT6785
MT6853
MT6853T
MT6873
MT6877
MT6883
MT6885
MT6889
MT6893
MT8797

Software vendor:
MediaTek

The vulnerability allows a local privileged application to perform service disruption.

The vulnerability exists due to an incorrect status check within cmdq. A local privileged application can perform service disruption.

Install security update from vendor's website.

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