#VU65043 Use-after-free in MediaTek products - CVE-2022-21775
Published: July 8, 2022
Vulnerability identifier: #VU65043
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-2022-21775
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
MT6761
MT6762
MT6763
MT6765
MT6768
MT6769
MT6771
MT6789
MT6795
MT6797
MT6799
MT6833
MT6879
MT6895
MT8167
MT8167S
MT8168
MT8173
MT8185
MT8321
MT8362A
MT8365
MT8385
MT8666
MT8675
MT8768
MT8786
MT8788
MT8789
MT8791
MT6779
MT6781
MT6785
MT6853
MT6853T
MT6873
MT6875
MT6877
MT6883
MT6885
MT6889
MT6891
MT6893
MT8797
MT6761
MT6762
MT6763
MT6765
MT6768
MT6769
MT6771
MT6789
MT6795
MT6797
MT6799
MT6833
MT6879
MT6895
MT8167
MT8167S
MT8168
MT8173
MT8185
MT8321
MT8362A
MT8365
MT8385
MT8666
MT8675
MT8768
MT8786
MT8788
MT8789
MT8791
MT6779
MT6781
MT6785
MT6853
MT6853T
MT6873
MT6875
MT6877
MT6883
MT6885
MT6889
MT6891
MT6893
MT8797
Software vendor:
MediaTek
MediaTek
Description
The vulnerability allows a local application to execute arbitrary code with elevated privileges.
The vulnerability exists due to a use-after-free error caused by improper locking within the sched driver. A local application can execute arbitrary code with elevated privileges.
Remediation
Install updates from vendor's website.