CVE-2026-23280 accel/amdxdna: Prevent ubuf size overflow
An integer overflow in the AMD XDNA accelerator driver can lead to memory corruption, potentially allowing local attackers to execute code or escalate privileges.
- 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-2026-23280?
CVE-2026-23280 is a high-severity vulnerability in Linux kernel, published on 25 Mar 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: Prevent ubuf size overflow
The ubuf size calculation may overflow, resulting in an undersized allocation and possible memory corruption.
Use check_add_overflow() helpers to validate the size calculation before allocation.
Which versions are affected by CVE-2026-23280?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2026-23280?
Apply the vendor's patch.
Is CVE-2026-23280 being exploited?
There is no known exploitation of CVE-2026-23280 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2026-23280, DEBIAN-CVE-2026-23280, GHSA-qcvf-8537-hx8x, UBUNTU-CVE-2026-23280.