---
title: "CVE-2026-89811: Linux Kernel drm/amdkfd - Race Condition"
description: "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."
url: https://panop.io/threat-heartbeat/CVE-2026-89811/
---

# 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 ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-89811)

## 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

- [https://nvd.nist.gov/vuln/detail/CVE-2026-89811](https://nvd.nist.gov/vuln/detail/CVE-2026-89811)
- [https://git.kernel.org/stable/c/6aae545c87087e4dc96e205452243813bfa73ba2](https://git.kernel.org/stable/c/6aae545c87087e4dc96e205452243813bfa73ba2)
- [https://git.kernel.org/stable/c/94e25cb6ab7f4f025bcdcd8ea79fda30f12843a4](https://git.kernel.org/stable/c/94e25cb6ab7f4f025bcdcd8ea79fda30f12843a4)
- [https://git.kernel.org/stable/c/e230c546ed93741833ab5babb0b202f9c2052b45](https://git.kernel.org/stable/c/e230c546ed93741833ab5babb0b202f9c2052b45)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

[Book a demo](https://panop.io/demo)