CVE-2025-23137 cpufreq/amd-pstate: Add missing NULL ptr check in amd_pstate_update
A missing NULL pointer check in the Linux kernel's AMD P-State driver can cause a system crash, leading to denial of service.
- 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-2025-23137?
CVE-2025-23137 is a medium-severity vulnerability in Linux kernel, published on 16 Apr 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
cpufreq/amd-pstate: Add missing NULL ptr check in amd_pstate_update
Check if policy is NULL before dereferencing it in amd_pstate_update.
Weakness: CWE-476
Which versions are affected by CVE-2025-23137?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2025-23137?
Apply the vendor's patch.
Is CVE-2025-23137 being exploited?
There is no known exploitation of CVE-2025-23137 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2025-23137, DEBIAN-CVE-2025-23137, GHSA-843p-6jf4-c3r6, UBUNTU-CVE-2025-23137.