CVE-2024-35834 xsk: recycle buffer in case Rx queue was full
A missing buffer recycle in the Linux kernel XSK implementation can lead to memory leaks and potential denial of service when the Rx queue is full.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-35834?
CVE-2024-35834 is a high-severity denial of service vulnerability in Linux kernel, published on 17 May 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
xsk: recycle buffer in case Rx queue was full
Add missing xsk_buff_free() call when __xsk_rcv_zc() failed to produce descriptor to XSK Rx queue.
Weakness: CWE-401
Which versions are affected by CVE-2024-35834?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-35834?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2024-35834 being exploited?
There is no known exploitation of CVE-2024-35834 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2024-35834, DEBIAN-CVE-2024-35834, GHSA-xmjc-7969-ffgm, UBUNTU-CVE-2024-35834.