CVE-2022-20091 Use after free in MT6580, MT6731, MT6739, MT6761, MT6762, MT6765, MT6768, MT6769, MT6771, MT6779, MT6781, MT6785, MT6833, MT6853, MT6853T, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT6983, MT8163, MT8167, MT8168, MT8173, MT8185, MT8321, MT8362A, MT8365, MT8696, MT8735, MT8735B, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791, MT8797
A race condition in the MediaTek AEE driver allows local attackers with system privileges to achieve privilege escalation via a use-after-free vulnerability.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-20091?
CVE-2022-20091 is a medium-severity use after free vulnerability in Google Android, published on 3 May 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In aee 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: ALPS06209201; Issue ID: ALPS06226345.
Which versions are affected by CVE-2022-20091?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2022-20091?
No fix has been published for CVE-2022-20091 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2022-20091 being exploited?
There is no known exploitation of CVE-2022-20091 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as GHSA-w4cx-53q5-r77w.