CVE-2026-89811 Linux Kernel drm/amdkfd - Race Condition

Linux kernel drm/amdkfd contains a race condition caused by missing TLB flush after MES queue eviction/suspension, letting attackers cause GPU queue hangs and page faults during SVM page migration, exploit requires specific hardware and XNACK mode enabled.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.17% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Race Condition
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Published
16 September 2026
Updated
15 October 2026

Vendor fix

Update to the Linux kernel version containing commit f5c4f88e0f9c45a8fb9dfac0c1df726c95e41b77 or later.

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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