CVE-2024-38561 kunit: Fix kthread reference
A race condition in the Linux kernel's kunit framework can lead to a use-after-free, potentially allowing local attackers to execute code or escalate privileges.
- 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-2024-38561?
CVE-2024-38561 is a high-severity use after free vulnerability in Linux kernel, published on 19 Jun 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:
kunit: Fix kthread reference
There is a race condition when a kthread finishes after the deadline and before the call to kthread_stop(), which may lead to use after free.
Weakness: CWE-416
Which versions are affected by CVE-2024-38561?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-38561?
Apply the vendor's patch.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2024-38561 being exploited?
There is no known exploitation of CVE-2024-38561 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2024-38561, DEBIAN-CVE-2024-38561, GHSA-9m27-xfxh-7vgv, UBUNTU-CVE-2024-38561.