drm/panthor: Fix UAF on kernel BO VA nodes

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-68747
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-12-24 13:16:29 UTC
Updated2026-10-13 10:10:00 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: drm/panthor: Fix UAF on kernel BO VA nodes If the MMU is down, panthor_vm_unmap_range() might return an error. We expect the page table to be updated still, and if the MMU is blocked, the rest of the GPU should be blocked too, so no risk of accessing physical memory returned to the system (which the current code doesn't cover for anyway). Proceed with the rest of the cleanup instead of bailing out and leaving the va_node inserted in the drm_mm, which leads to UAF when other adjacent nodes are removed from the drm_mm tree.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

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

EPSS: 0.001240000 probability, percentile 0.025700000 (date 2026-08-01)

VersionSourceTypeScoreSeverityVector
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 8a1cc07578bf42d85f008316873d710ff684dd29 5a0060ddfc1fcfdb0f7b4fa1b7b3b0c436151391 git Not specified
CNA Linux Linux affected 8a1cc07578bf42d85f008316873d710ff684dd29 1123eadb843588b361c96f53a771202b7953154f git Not specified
CNA Linux Linux affected 8a1cc07578bf42d85f008316873d710ff684dd29 0612704b6f6ddf2ae223019c52148c5ac76cf70e git Not specified
CNA Linux Linux affected 8a1cc07578bf42d85f008316873d710ff684dd29 98dd5143447af0ee33551776d8b2560c35d0bc4a git Not specified
CNA Linux Linux affected 6.10 Not specified
CNA Linux Linux unaffected 6.10 semver Not specified
CNA Linux Linux unaffected 6.12.63 6.12.* semver Not specified
CNA Linux Linux unaffected 6.17.13 6.17.* semver Not specified
CNA Linux Linux unaffected 6.18.2 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/98dd5143447af0ee33551776d8b2560c35d0bc4a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/0612704b6f6ddf2ae223019c52148c5ac76cf70e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/5a0060ddfc1fcfdb0f7b4fa1b7b3b0c436151391 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/1123eadb843588b361c96f53a771202b7953154f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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