5.5

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

Modified
AliasesUBUNTU-CVE-2026-31462DEBIAN-CVE-2026-31462
Published 22-04-2026Last modified 30-10-2026

Vulnerability summary

CVE-2026-31462 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 4.7% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.16%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 13 · Related 13
OPENSUSE-SU-2026:21555-1SUSE-SU-2026:22521-1SUSE-SU-2026:22522-1SUSE-SU-2026:22665-1SUSE-SU-2026:22666-1SUSE-SU-2026:23066-1

Timeline

  1. 22-04-2026
    PublishedVulnerability first disclosed.
  2. 30-10-2026
    Last modifiedVulnerability information updated.

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)

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.16%

Chance of exploitation in the next 30 days

Percentile

5%

Versus all other CVEs

30-day change

Decrease -0.01 pp

From 0.16% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu159 products
  • linuxAll versions (No fix recorded)
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 02208441cc3a5110191996bb129db39ff10e7395, < 185a5e779c259869b8d5c20bd90e7a780c56576b | ≥ 02208441cc3a5110191996bb129db39ff10e7395, < f69491478e3de0e3c6aac2ee89b3cda3f2471301 | ≥ 02208441cc3a5110191996bb129db39ff10e7395, < c0b3882836de8ac991b626823966f385555bbcff | ≥ 02208441cc3a5110191996bb129db39ff10e7395, < 51ccaf0e30c303149244c34820def83d74c86288 | ≥ 02208441cc3a5110191996bb129db39ff10e7395, < 9e5ebfe99b223bb0eb9c50a125c9c02f4ef4c71b | ≥ 02208441cc3a5110191996bb129db39ff10e7395, < 14b81abe7bdc25f8097906fc2f91276ffedb2d26 | 4.15
  • linux_kernel≥ 4.15, < 6.12.80 | ≥ 6.13, < 6.18.21 | ≥ 6.19, < 6.19.11 | 7.0:rc1 | 7.0:rc2 | 7.0:rc3 | 7.0:rc4 | 7.0:rc5
Debian1 product
  • linuxAll versions (No fix recorded) | < 6.12.85-1 | < 6.19.11-1

3 vendors · 162 products

References

10 links