Use After Free in MediaTek products - CVE-2021-0656
Published: March 7, 2023
Vulnerability identifier: #VU72973
CSH Severity: Low
CVSS v4: 8.4 [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]
CVE-ID: CVE-2021-0656
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local privileged application to execute arbitrary code.
The vulnerability exists due to a use after free within edma driver. A local privileged application can execute arbitrary code.
Affected software
MT6853
MT6853T
MT6873
MT6877
MT6883
MT6885
MT6889
MT6893
MT8797
MT8195
MT8791
MT6853T
MT6873
MT6877
MT6883
MT6885
MT6889
MT6893
MT8797
MT8195
MT8791
How to mitigate CVE-2021-0656
Install security update from vendor's website.