Medium 5.5Published Apr 22, 2026

CVE-2026-31462drm/amdgpu: prevent immediate PASID reuse case

Updated under an hour ago (Oct 27, 2026, 6:50 PM ET)

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Exploited in the last 30 days

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)

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: Oct 21, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 02208441cc3a5110191996bb129db39ff10e7395 before f69491478e3de0e3c6aac2ee89b3cda3f2471301; from 02208441cc3a5110191996bb129db39ff10e7395 before c0b3882836de8ac991b626823966f385555bbcff; 02208441cc3a5110191996bb129db39ff10e7395 builds before 51ccaf0e30c303149244c34820def83d74c86288; 02208441cc3a5110191996bb129db39ff10e7395 builds before 9e5ebfe99b223bb0eb9c50a125c9c02f4ef4c71b; 02208441cc3a5110191996bb129db39ff10e7395 builds before 14b81abe7bdc25f8097906fc2f91276ffedb2d26	CNA record
linux linux_kernel linux:linux_kernel	from 4.15 before 6.12.80; from 6.13 before 6.18.21; from 6.19 before 6.19.11; 7.0; 7.0; 7.0; 7.0; 7.0	NVD

References

References

https://git.kernel.org/stable/c/f69491478e3de0e3c6aac2ee89b3cda3f2471301
https://git.kernel.org/stable/c/c0b3882836de8ac991b626823966f385555bbcff	patch
https://git.kernel.org/stable/c/51ccaf0e30c303149244c34820def83d74c86288	patch
https://git.kernel.org/stable/c/9e5ebfe99b223bb0eb9c50a125c9c02f4ef4c71b	patch
https://git.kernel.org/stable/c/14b81abe7bdc25f8097906fc2f91276ffedb2d26	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.