CVE-2022-20426 Denial of service in Android
Local attackers can cause denial of service by exhausting resources, preventing users from selecting a phone account without needing privileges or 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
- Available
What is CVE-2022-20426?
CVE-2022-20426 is a medium-severity denial of service vulnerability in Google Android, published on 8 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In multiple functions of many files, there is a possible obstruction of the user's ability to select a phone account due to resource exhaustion. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12L Android-13Android ID: A-236263294
Weakness: CWE-754
Which versions are affected by CVE-2022-20426?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2022-20426?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-20426 being exploited?
There is no known exploitation of CVE-2022-20426 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-236263294, ASB-A-236263294, GHSA-q4vj-h3gm-jx5h.