CVE-2022-20031 Use after free in MT6580, MT6582E, MT6582H, MT6582T, MT6582W, MT6582 90, MT6589, MT6589TD, MT6592E, MT6592H, MT6592T, MT6592W, MT6592 90, MT6595, MT6731, MT6732, MT6735, MT6737, MT6739, MT6750, MT6750S, MT6752, MT6753, MT6755, MT6755S, MT6757, MT6757C, MT6757CD, MT6757CH, MT6758, MT6761, MT6762, MT6763, MT6765, MT6768, MT6769, MT6771, MT6779, MT6781, MT6785, MT6795, MT6797, MT6799, MT6833, MT6853, MT6853T, MT6873, MT6875, MT6877, MT6883, MT6885, MT6889, MT6891, MT6893
A use-after-free vulnerability in the MediaTek fb driver allows local attackers to escalate privileges without user interaction.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-20031?
CVE-2022-20031 is a high-severity use after free vulnerability in Google Android, published on 9 Feb 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In fb driver, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05850708; Issue ID: ALPS05850708.
Weakness: CWE-416
Which versions are affected by CVE-2022-20031?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2022-20031?
No fix has been published for CVE-2022-20031 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-2022-20031 being exploited?
There is no known exploitation of CVE-2022-20031 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as GHSA-vmgj-7vc9-vh3h.