#VU65039 Race condition in MediaTek products - CVE-2022-21771
Published: July 8, 2022
Vulnerability identifier: #VU65039
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-2022-21771
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
MT6580
MT6735
MT6737
MT6739
MT6753
MT6761
MT6765
MT6768
MT6771
MT6789
MT6833
MT6879
MT6895
MT6983
MT8168
MT8365
MT6779
MT6781
MT6785
MT6853
MT6853T
MT6873
MT6877
MT6883
MT6885
MT6889
MT6893
MT6580
MT6735
MT6737
MT6739
MT6753
MT6761
MT6765
MT6768
MT6771
MT6789
MT6833
MT6879
MT6895
MT6983
MT8168
MT8365
MT6779
MT6781
MT6785
MT6853
MT6853T
MT6873
MT6877
MT6883
MT6885
MT6889
MT6893
Software vendor:
MediaTek
MediaTek
Description
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to a race condition in GED driver. A local application can exploit the race to trigger a use-after-free error and escalate privileges on the system.
Remediation
Install updates from vendor's website.