CVE-2026-23424 accel/amdxdna: Validate command buffer payload count
A missing validation of command buffer payload counts in the AMD XDNA Linux kernel driver allows attackers to trigger memory corruption, potentially leading to code execution or privilege escalation.
- 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-2026-23424?
CVE-2026-23424 is a high-severity vulnerability in Linux kernel, published on 3 Apr 2026. 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:
accel/amdxdna: Validate command buffer payload count
The count field in the command header is used to determine the valid payload size. Verify that the valid payload does not exceed the remaining buffer space.
Which versions are affected by CVE-2026-23424?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2026-23424?
Apply the vendor's patch.
Is CVE-2026-23424 being exploited?
There is no known exploitation of CVE-2026-23424 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2026-23424, DEBIAN-CVE-2026-23424, GHSA-mhv3-v49w-phxv, UBUNTU-CVE-2026-23424.