CVE-2022-21773: Use After Free
Published Jul 6, 2022
·Updated
In TEEI driver, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06641388; Issue ID: ALPS06641388.
Affected Software
36 affected components
Google Android=11.0
Google Android=12.0
MediaTek Mt6580
MediaTek Mt6735
MediaTek Mt6737
MediaTek Mt6739
MediaTek Mt6750
MediaTek Mt6750s
MediaTek MT6755
MediaTek Mt6755s
MediaTek Mt6761
MediaTek Mt6762
MediaTek Mt6763
MediaTek Mt6765
MediaTek Mt6768
MediaTek Mt6769
MediaTek Mt6771
MediaTek Mt6779
MediaTek Mt6781
MediaTek Mt6785
MediaTek Mt6789
MediaTek Mt6795
MediaTek Mt6797
MediaTek Mt6833
MediaTek Mt6853
MediaTek Mt6853t
MediaTek Mt6873
MediaTek Mt6875
MediaTek Mt6877
MediaTek Mt6879
MediaTek Mt6883
MediaTek Mt6885
MediaTek Mt6889
MediaTek Mt6890
MediaTek Mt6891
MediaTek Mt6893
Event History
Jul 6, 2022
CVE Published
via MITRE·01:07 PM
Data Sourced
via MITRE·01:07 PM
DescriptionWeakness
Frequently Asked Questions
1
What is CVE-2022-21773?
CVE-2022-21773 is a vulnerability in TEEI driver that could lead to local escalation of privilege with system execution privileges.
2
Is user interaction needed for exploitation of CVE-2022-21773?
No, user interaction is not needed for exploitation of CVE-2022-21773.
3
What is the severity of CVE-2022-21773?
The severity of CVE-2022-21773 is medium with a CVSS v3 base score of 6.7.
4
How can I patch CVE-2022-21773?
You can patch CVE-2022-21773 by applying Patch ID ALPS06641388.
5
Where can I find more information about CVE-2022-21773?
You can find more information about CVE-2022-21773 at the MediaTek Product Security Bulletin for July 2022.