Riskcovery

CVE-2026-31462

drm/amdgpu: prevent immediate PASID reuse case

State
Published
Severity
Not scored
Published
Apr 22, 2026
Updated
Oct 30, 2026
Reserved
Mar 9, 2026

Read the record on cve.org

Description

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

drm/amdgpu: prevent immediate PASID reuse case

PASID resue could cause interrupt issue when process immediately runs into hw state left by previous process exited with the same PASID, it's possible that page faults are still pending in the IH ring buffer when the process exits and frees up its PASID. To prevent the case, it uses idr cyclic allocator same as kernel pid's.

(cherry picked from commit 8f1de51f49be692de137c8525106e0fce2d1912d)

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 02208441cc3a5110191996bb129db39ff10e7395 to before 185a5e779c259869b8d5c20bd90e7a780c56576bAffected
  • 02208441cc3a5110191996bb129db39ff10e7395 to before f69491478e3de0e3c6aac2ee89b3cda3f2471301Affected
  • 02208441cc3a5110191996bb129db39ff10e7395 to before c0b3882836de8ac991b626823966f385555bbcffAffected
  • 02208441cc3a5110191996bb129db39ff10e7395 to before 51ccaf0e30c303149244c34820def83d74c86288Affected
  • 02208441cc3a5110191996bb129db39ff10e7395 to before 9e5ebfe99b223bb0eb9c50a125c9c02f4ef4c71bAffected
  • 02208441cc3a5110191996bb129db39ff10e7395 to before 14b81abe7bdc25f8097906fc2f91276ffedb2d26Affected
LinuxLinux
  • 4.15Affected
  • before 4.15Not affected
  • 6.1.191 through 6.1.*Not affected
  • 6.6.160 through 6.6.*Not affected
  • 6.12.80 through 6.12.*Not affected
  • 6.18.21 through 6.18.*Not affected
  • 6.19.11 through 6.19.*Not affected
  • 7.0 and laterNot affected

References

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