CVE-2024-35858 net: bcmasp: fix memory leak when bringing down interface
A memory leak in the Linux kernel's BCMASP network driver can cause memory exhaustion and potential corruption when interfaces are brought down.
- 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-2024-35858?
CVE-2024-35858 is a high-severity memory corruption vulnerability in Linux kernel, published on 17 May 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: bcmasp: fix memory leak when bringing down interface
When bringing down the TX rings we flush the rings but forget to reclaimed the flushed packets. This leads to a memory leak since we do not free the dma mapped buffers. This also leads to tx control block corruption when bringing down the interface for power management.
Weakness: CWE-401
Which versions are affected by CVE-2024-35858?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-35858?
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-2024-35858 being exploited?
There is no known exploitation of CVE-2024-35858 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2024-35858, DEBIAN-CVE-2024-35858, GHSA-f3jw-96pp-6m3w, UBUNTU-CVE-2024-35858.