CVE-2022-1943 Memory corruption in Kernel
A local attacker can trigger an out-of-bounds memory write in the Linux kernel UDF filesystem, causing a system crash or potential code execution.
- 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-2022-1943?
CVE-2022-1943 is a high-severity memory corruption vulnerability in Linux kernel, published on 1 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A flaw out of bounds memory write in the Linux kernel UDF file system functionality was found in the way user triggers some file operation which triggers udf_write_fi(). A local user could use this flaw to crash the system or potentially
Weakness: CWE-787
Which versions are affected by CVE-2022-1943?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-1943?
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-2022-1943 being exploited?
There is no known exploitation of CVE-2022-1943 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-13191, DEBIAN-CVE-2022-1943, GHSA-2vmp-ffrr-x6p5, UBUNTU-CVE-2022-1943.