#VU71982 Use-after-free in MediaTek products - CVE-2023-20619

Vulnerability identifier: #VU71982

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-2023-20619

CWE-ID: CWE-416

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
MT6761
MT6762
MT6768
MT6769
MT6789
MT6833
MT8185
MT8786
MT8789
MT8791
MT6779
MT6781
MT6785
MT6853
MT6853T
MT6873
MT6875
MT6877
MT6883
MT6885
MT6889
MT6891
MT6893
MT8797

Software vendor:
MediaTek

The vulnerability allows a local user to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in vcu. 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