CVE-2025-22071 spufs: fix a leak in spufs_create_context()
A memory leak in the Linux kernel's SPU filesystem allows attackers to cause denial of service by triggering a specific error path.
- 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-2025-22071?
CVE-2025-22071 is a medium-severity memory corruption 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:
spufs: fix a leak in spufs_create_context()
Leak fixes back in 2008 missed one case - if we are trying to set affinity and spufs_mkdir() fails, we need to drop the reference to neighbor.
Weakness: CWE-401
Which versions are affected by CVE-2025-22071?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2025-22071?
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-2025-22071 being exploited?
There is no known exploitation of CVE-2025-22071 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2025-22071, DEBIAN-CVE-2025-22071, GHSA-r24q-wpfh-2vqx, ROOT-OS-DEBIAN-11-CVE-2025-22071, ROOT-OS-UBUNTU-2404-CVE-2025-22071, UBUNTU-CVE-2025-22071.