---
title: "CVE-2026-89808: Linux Kernel drm/amdkfd - Memory Management Vulnerability"
description: "Linux kernel drm/amdkfd contains a memory management vulnerability caused by uninitialized variable usage during vm range migration in svm_migrate_copy_to_vram, letting attackers trigger VRAM corruption, exploit requires specific vm range conditions."
url: https://panop.io/threat-heartbeat/CVE-2026-89808/
---

# CVE-2026-89808 Linux Kernel drm/amdkfd - Memory Management Vulnerability

Linux kernel drm/amdkfd contains a memory management vulnerability caused by uninitialized variable usage during vm range migration in svm\_migrate\_copy\_to\_vram, letting attackers trigger VRAM corruption, exploit requires specific vm range conditions.

CVSS base score 7.8 /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-2026-89808)

## Details

Type

Memory Management Vulnerability

Impact

Denial Of Service, Data Tampering

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Published

16 September 2026

Updated

15 October 2026

## Vendor fix

Update to the latest Linux kernel version containing the fix for drm/amdkfd.

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-2026-89808](https://nvd.nist.gov/vuln/detail/CVE-2026-89808)
- [https://git.kernel.org/stable/c/0a9a0e8a97da70a0336c9115178aaf1be29bcfb1](https://git.kernel.org/stable/c/0a9a0e8a97da70a0336c9115178aaf1be29bcfb1)
- [https://git.kernel.org/stable/c/520e345ffe05aabef1db82beda4288afb1757ff2](https://git.kernel.org/stable/c/520e345ffe05aabef1db82beda4288afb1757ff2)
- [https://git.kernel.org/stable/c/ae806a95b28fcecb913430cfa45a252e91a945d6](https://git.kernel.org/stable/c/ae806a95b28fcecb913430cfa45a252e91a945d6)

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## 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

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