CVE-2022-20582 Memory corruption in Android
A local attacker can exploit an out-of-bounds write in the Android kernel 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
- Available
What is CVE-2022-20582?
CVE-2022-20582 is a high-severity memory corruption vulnerability in Google Android, published on 16 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In ppmp_unprotect_mfcfw_buf of drm_fw.c, there is a possible out of bounds write due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-233645166References: N/A
Weakness: CWE-787
Which versions are affected by CVE-2022-20582?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2022-20582?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-20582 being exploited?
There is no known exploitation of CVE-2022-20582 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-233645166, GHSA-9mhj-jg27-p3cc, PUB-A-233645166.