CVE-2026-80608 accel/amdxdna: Fix iommu domain lifetime race during device removal
A use-after-free race condition in the AMD XDNA kernel driver allows local attackers to potentially execute code or escalate privileges when force_iova mode is enabled.
- 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-2026-80608?
CVE-2026-80608 is a high-severity use after free vulnerability in Linux, published on 28 Aug 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: Fix iommu domain lifetime race during device removal
When force_iova mode is enabled, amdxdna_remove() frees xdna->domain. If amdxdna_gem_obj_free() is called after device removal, it may attempt to access xdna->domain, resulting in a use-after-free.
Fix the race by adding freeing xdna->domain as a managed release action, so its lifetime is managed by DRM and remains valid until all managed resources are released.
Which versions are affected by CVE-2026-80608?
How do I fix CVE-2026-80608?
Apply the vendor's patch.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2026-80608 being exploited?
There is no known exploitation of CVE-2026-80608 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2026-80608, GHSA-79jg-fp86-q5xg, UBUNTU-CVE-2026-80608.