CVE-2026-98999 Linux Kernel drm/xe - Use After Free

Linux kernel drm/xe contains a use-after-free caused by stale pinned_link list entry due to improper unpin handling in xe_bo_unpin_external and framebuffer unpin paths, letting attackers cause memory corruption, exploit requires kernel-level access.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.22% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Use After Free
Impact
Use After Free
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
23 October 2026
Updated
25 October 2026

Vendor fix

Update to the latest Linux kernel version containing the patch ca58d36a1f93af586ee93b340c9f9fd81312cc01.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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