CVE-2024-26612 netfs, fscache: Prevent Oops in fscache_put_cache()
A null pointer dereference in the Linux kernel's fscache module can cause a system crash, requiring a kernel patch to prevent 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-2024-26612?
CVE-2024-26612 is a medium-severity vulnerability in Linux kernel, published on 29 Feb 2024. 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:
netfs, fscache: Prevent Oops in fscache_put_cache()
This function dereferences "cache" and then checks if it's IS_ERR_OR_NULL(). Check first, then dereference.
Weakness: CWE-476
Which versions are affected by CVE-2024-26612?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-26612?
Apply the vendor's patch.
Is CVE-2024-26612 being exploited?
There is no known exploitation of CVE-2024-26612 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2024-26612, DEBIAN-CVE-2024-26612, GHSA-g248-66hq-4f22, UBUNTU-CVE-2024-26612.