CVE-2024-46767 net: phy: Fix missing of_node_put() for leds
A missing reference count decrement in the Linux kernel network PHY driver can lead to resource leaks and potential 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-2024-46767?
CVE-2024-46767 is a medium-severity memory corruption vulnerability in Linux kernel, published on 18 Sep 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:
net: phy: Fix missing of_node_put() for leds
The call of of_get_child_by_name() will cause refcount incremented for leds, if it succeeds, it should call of_node_put() to decrease it, fix it.
Which versions are affected by CVE-2024-46767?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-46767?
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-2024-46767 being exploited?
There is no known exploitation of CVE-2024-46767 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2024-46767, DEBIAN-CVE-2024-46767, GHSA-h85r-4358-hc66, UBUNTU-CVE-2024-46767.