Riskcovery

CVE-2023-53248

drm/amdgpu: install stub fence into potential unused fence pointers

State
Published
Severity
5.5 Medium
Published
Sep 15, 2025
Updated
May 11, 2026
Reserved
Sep 15, 2025

Read the record on cve.org

Description

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

drm/amdgpu: install stub fence into potential unused fence pointers

When using cpu to update page tables, vm update fences are unused. Install stub fence into these fence pointers instead of NULL to avoid NULL dereference when calling dma_fence_wait() on them.

Scores

CVSSScoreVectorSource
3.15.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HCISA-ADP

Weaknesses

Affected Products

ProductVersions
LinuxLinux
  • d38ceaf99ed015f2a0b9af3499791bd3a3daae21 to before 78b25110eb8c6990f7f5096bc0136c12a2b4cc99Affected
  • d38ceaf99ed015f2a0b9af3499791bd3a3daae21 to before aa9e9ba5748c524eb0925a2ef6984b78793646d6Affected
  • d38ceaf99ed015f2a0b9af3499791bd3a3daae21 to before 187916e6ed9d0c3b3abc27429f7a5f8c936bd1f0Affected
LinuxLinux
  • 4.2Affected
  • before 4.2Not affected
  • 6.1.47 through 6.1.*Not affected
  • 6.4.12 through 6.4.*Not affected
  • 6.5 and laterNot affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.