#VU71969 Use-after-free in MediaTek products - CVE-2023-20611

Vulnerability identifier: #VU71969

Vulnerability risk: 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-2023-20611

CWE-ID: CWE-416

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
MT6580
MT6731
MT6735
MT6737
MT6739
MT6753
MT6757
MT6757C
MT6757CD
MT6757CH
MT6761
MT6762
MT6763
MT6765
MT6768
MT6769
MT6771
MT6789
MT6833
MT6855
MT6879
MT6895
MT6983
MT8168
MT8365
MT6779
MT6781
MT6785
MT6853
MT6853T
MT6873
MT6875
MT6877
MT6883
MT6885
MT6889
MT6891
MT6893

Software vendor:
MediaTek

The vulnerability allows a local user to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in gpu. A local user can gain elevated privileges on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Install updates from vendor's website.

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