CVE-2026-64517 drm/xe/gsc: Fix double-free of managed BO in error path
A double-free vulnerability in the Linux kernel's Intel Xe graphics driver allows local attackers to cause a system crash or potentially execute arbitrary code.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-64517?
CVE-2026-64517 is an use after free vulnerability in Linux, published on 25 Jul 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:
drm/xe/gsc: Fix double-free of managed BO in error path
The error path in xe_gsc_init_post_hwconfig() explicitly frees a BO allocated with xe_managed_bo_create_pin_map() via xe_bo_unpin_map_no_vm(). Since the managed BO already has a devm cleanup action registered, this causes a double-free when devm unwinds during probe failure.
Remove the explicit free and let devm handle it, consistent with all other xe_managed_bo_create_pin_map() callers.
(cherry picked from commit 71d61e3e299a17139e47f980a4d6f425b2c59bf7)
Which versions are affected by CVE-2026-64517?
How do I fix CVE-2026-64517?
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-2026-64517 being exploited?
There is no known exploitation of CVE-2026-64517 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2026-64517, DEBIAN-CVE-2026-64517, GHSA-hw28-fxfq-92xc, ROOT-OS-UBUNTU-2204-CVE-2026-64517, UBUNTU-CVE-2026-64517.