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CVE PROGRAM SOURCE RECORDUnscored

CVE-2026-31462

drm/amdgpu: prevent immediate PASID reuse case

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)

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 02208441cc3a5110191996bb129db39ff10e7395 to < 185a5e779c259869b8d5c20bd90e7a780c56576baffected
  • 02208441cc3a5110191996bb129db39ff10e7395 to < f69491478e3de0e3c6aac2ee89b3cda3f2471301affected
  • 02208441cc3a5110191996bb129db39ff10e7395 to < c0b3882836de8ac991b626823966f385555bbcffaffected
  • 02208441cc3a5110191996bb129db39ff10e7395 to < 51ccaf0e30c303149244c34820def83d74c86288affected
  • 02208441cc3a5110191996bb129db39ff10e7395 to < 9e5ebfe99b223bb0eb9c50a125c9c02f4ef4c71baffected
  • 02208441cc3a5110191996bb129db39ff10e7395 to < 14b81abe7bdc25f8097906fc2f91276ffedb2d26affected

Linux Linux

Default version status: affected

  • 4.15affected
  • 0 to < 4.15unaffected
  • 6.1.191 to ≤ 6.1.*unaffected
  • 6.6.160 to ≤ 6.6.*unaffected
  • 6.12.80 to ≤ 6.12.*unaffected
  • 6.18.21 to ≤ 6.18.*unaffected
  • 6.19.11 to ≤ 6.19.*unaffected
  • 7.0 to ≤ *unaffected

References