CVE-2026-98436 accel/amdxdna: Disable device buffer exporting
A local attacker can export AMD XDNA device buffers, potentially reading or modifying sensitive data due to missing authorization checks.
- 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-2026-98436?
CVE-2026-98436 is a high-severity missing authorization vulnerability in Linux, published on 18 Oct 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: Disable device buffer exporting
Device buffers are never intended to be exported. Disable exporting support explicitly.
Which versions are affected by CVE-2026-98436?
How do I fix CVE-2026-98436?
Apply the vendor's patch.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-98436 being exploited?
There is no known exploitation of CVE-2026-98436 in the wild and no public exploit code.
Sources
Also known as AZL-109352, BELL-CVE-2026-98436, DEBIAN-CVE-2026-98436, GHSA-cfwr-74pm-7pwp, UBUNTU-CVE-2026-98436.