---
id: CVE-2026-72449
title: 'drm/amdkfd: fix list_del corruption in kfd_criu_resume_svm'
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  drm/amdkfd: fix list_del corruption in kfd_criu_resume_svm

  The cleanup tail of kfd_criu_resume_svm() walks
  svms->criu_svm_metadata_list and kfree()s each struct criu_s…
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= 2a909ae718715b3bac75d945e38dc0a5e4a0f1ba <
    c8a8d350a273c005a48c64c4519d21b2a51c5ceb
  - >-
    Linux >= 2a909ae718715b3bac75d945e38dc0a5e4a0f1ba <
    506e635aed05dbdeef11e3c59f6e42980cda5b6d
  - >-
    Linux >= 2a909ae718715b3bac75d945e38dc0a5e4a0f1ba <
    838b57b3e7ce8cce0fda56d0861add3d464dd6c8
  - >-
    Linux >= 2a909ae718715b3bac75d945e38dc0a5e4a0f1ba <
    96ac562a9ea3020981f536384711190841c81aa8
  - >-
    Linux >= 2a909ae718715b3bac75d945e38dc0a5e4a0f1ba <
    e33a3bd5cb8d0cf1557dee014115f812c9686130
  - >-
    Linux >= 2a909ae718715b3bac75d945e38dc0a5e4a0f1ba <
    8fa5655da368d0306c03e9dc9cda8ae2a7840926
  - Linux 5.18
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-16T18:50:12.270854Z'
published: '2026-08-15'
updated: '2026-10-16'
sourceUpdated: '2026-10-16T18:55:24.681Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-72449'
references:
  - url: 'https://git.kernel.org/stable/c/c8a8d350a273c005a48c64c4519d21b2a51c5ceb'
  - url: 'https://git.kernel.org/stable/c/506e635aed05dbdeef11e3c59f6e42980cda5b6d'
  - url: 'https://git.kernel.org/stable/c/838b57b3e7ce8cce0fda56d0861add3d464dd6c8'
  - url: 'https://git.kernel.org/stable/c/96ac562a9ea3020981f536384711190841c81aa8'
  - url: 'https://git.kernel.org/stable/c/e33a3bd5cb8d0cf1557dee014115f812c9686130'
  - url: 'https://git.kernel.org/stable/c/8fa5655da368d0306c03e9dc9cda8ae2a7840926'
tags:
  - cve.org
epss: 0.00171
epssPercentile: 0.06061
ingestedAt: '2026-10-16T19:46:24.394Z'
---

## Overview

In the Linux kernel, the following vulnerability has been resolved:

drm/amdkfd: fix list_del corruption in kfd_criu_resume_svm

The cleanup tail of kfd_criu_resume_svm() walks
svms->criu_svm_metadata_list and kfree()s each struct criu_svm_metadata
without removing it from the list. The list head is left pointing at
freed kmalloc-96 objects.

A second AMDKFD_IOC_CRIU_OP from the same process re-enters: list_empty()
reads the dangling ->next (use-after-free), the loop walks freed entries,
and each is kfree()'d again (double-free). This is reachable by an
unprivileged render-group user via /dev/kfd with no capabilities required.

Add list_del() before the kfree() so the list is properly emptied. The
list_for_each_entry_safe() iterator already caches the next pointer, so
unlinking during the walk is safe.

(cherry picked from commit 6322d278a298e2c1430b9d2697743d3a04b788b1)

## Affected

- `Linux >= 2a909ae718715b3bac75d945e38dc0a5e4a0f1ba < c8a8d350a273c005a48c64c4519d21b2a51c5ceb`
- `Linux >= 2a909ae718715b3bac75d945e38dc0a5e4a0f1ba < 506e635aed05dbdeef11e3c59f6e42980cda5b6d`
- `Linux >= 2a909ae718715b3bac75d945e38dc0a5e4a0f1ba < 838b57b3e7ce8cce0fda56d0861add3d464dd6c8`
- `Linux >= 2a909ae718715b3bac75d945e38dc0a5e4a0f1ba < 96ac562a9ea3020981f536384711190841c81aa8`
- `Linux >= 2a909ae718715b3bac75d945e38dc0a5e4a0f1ba < e33a3bd5cb8d0cf1557dee014115f812c9686130`
- `Linux >= 2a909ae718715b3bac75d945e38dc0a5e4a0f1ba < 8fa5655da368d0306c03e9dc9cda8ae2a7840926`
- `Linux 5.18`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.