CVE-2024-38615 cpufreq: exit() callback is optional
A missing null check in the Linux kernel cpufreq exit callback can cause a system crash, requiring a kernel patch.
- 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-2024-38615?
CVE-2024-38615 is a medium-severity 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:
cpufreq: exit() callback is optional
The exit() callback is optional and shouldn't be called without checking a valid pointer first.
Also, we must clear freq_table pointer even if the exit() callback isn't present.
Weakness: CWE-476
Which versions are affected by CVE-2024-38615?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-38615?
Apply the vendor's patch.
Is CVE-2024-38615 being exploited?
There is no known exploitation of CVE-2024-38615 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2024-38615, DEBIAN-CVE-2024-38615, GHSA-54w4-35xc-2796, UBUNTU-CVE-2024-38615.