CVE-2022-32981 Memory corruption in n/a
A buffer overflow in the Linux kernel on powerpc 32-bit platforms allows attackers to execute arbitrary code or escalate privileges via ptrace operations.
- 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-2022-32981?
CVE-2022-32981 is a high-severity memory corruption vulnerability in Linux kernel, published on 10 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An issue was discovered in the Linux kernel through 5.18.3 on powerpc 32-bit platforms. There is a buffer overflow in ptrace PEEKUSER and POKEUSER (aka PEEKUSR and POKEUSR) when accessing floating point registers.
Weakness: CWE-120
Which versions are affected by CVE-2022-32981?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-32981?
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-2022-32981 being exploited?
There is no known exploitation of CVE-2022-32981 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-9930, DEBIAN-CVE-2022-32981, GHSA-m8qw-47wx-jjhf, UBUNTU-CVE-2022-32981.