CVE-2022-20040: Buffer Overflow
Published Feb 9, 2022
·Updated
In powerhalmanagerservice, there is a possible permission bypass due to a stack-based buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06219150; Issue ID: ALPS06219150.
Affected Software
40 affected components
Google Android=11.0
Google Android=12.0
MediaTek Mt6735
MediaTek Mt6737
MediaTek Mt6739
MediaTek MT6755
MediaTek MT6757
MediaTek Mt6761
MediaTek Mt6771
MediaTek Mt6779
MediaTek Mt6785
MediaTek Mt6833
MediaTek Mt6853
MediaTek Mt6873
MediaTek Mt6875
MediaTek Mt6877
MediaTek Mt6880
MediaTek Mt6883
MediaTek Mt6885
MediaTek Mt6889
MediaTek Mt6890
MediaTek Mt6891
MediaTek Mt6893
MediaTek Mt8167
MediaTek Mt8168
MediaTek Mt8173
MediaTek Mt8175
MediaTek Mt8185
MediaTek Mt8321
MediaTek Mt8362a
MediaTek Mt8365
MediaTek Mt8385
MediaTek Mt8765
MediaTek Mt8766
MediaTek Mt8768
MediaTek Mt8786
MediaTek Mt8788
MediaTek Mt8789
MediaTek Mt8791
MediaTek Mt8797
Event History
Feb 9, 2022
CVE Published
via MITRE·10:05 PM
Data Sourced
via MITRE·10:05 PM
DescriptionWeakness
Frequently Asked Questions
1
What is CVE-2022-20040?
CVE-2022-20040 is a vulnerability in power_hal_manager_service that allows a possible permission bypass due to a stack-based buffer overflow, leading to local escalation of privilege.
2
How severe is CVE-2022-20040?
CVE-2022-20040 has a severity value of 7.8, which is considered high.
3
What software is affected by CVE-2022-20040?
Google Android versions 11.0 and 12.0 are affected by CVE-2022-20040.
4
Is Mediatek Mt6735 vulnerable to CVE-2022-20040?
No, Mediatek Mt6735 is not vulnerable to CVE-2022-20040.
5
How can I fix CVE-2022-20040?
To fix CVE-2022-20040, apply the patch identified as ALPS06219150.