drm/amdgpu: prevent immediate PASID reuse case (Linux Linux)

CVE-2026-31462
MEDIUM 5.5

At a glance

Source
NVD
EPSS
EPSS 0.16 % · percentile 5 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Modified

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)

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected 02208441cc3a5110191996bb129db39ff10e7395 < 185a5e779c259869b8d5c20bd90e7a780c56576b ; affected 02208441cc3a5110191996bb129db39ff10e7395 < f69491478e3de0e3c6aac2ee89b3cda3f2471301 ; affected 02208441cc3a5110191996bb129db39ff10e7395 < c0b3882836de8ac991b626823966f385555bbcff ; affected 02208441cc3a5110191996bb129db39ff10e7395 < 51ccaf0e30c303149244c34820def83d74c86288 ; affected 02208441cc3a5110191996bb129db39ff10e7395 < 9e5ebfe99b223bb0eb9c50a125c9c02f4ef4c71b ; affected 02208441cc3a5110191996bb129db39ff10e7395 < 14b81abe7bdc25f8097906fc2f91276ffedb2d26
Linux · Linuxaffected 4.15 ; unaffected 0 < 4.15 ; unaffected 6.1.191 ≤ 6.1.* ; unaffected 6.6.160 ≤ 6.6.* ; unaffected 6.12.80 ≤ 6.12.* ; unaffected 6.18.21 ≤ 6.18.*

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD