5.5

CVE-2026-31441: linux

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2026-31441DEBIAN-CVE-2026-31441
Published 22-04-2026Last modified 15-10-2026
Open JSON

Vulnerability summary

CVE-2026-31441 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 5.5% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.17%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 28 · Related 26
MGASA-2026-0108MGASA-2026-0110OPENSUSE-SU-2026:21555-1SUSE-SU-2026:23066-1SUSE-SU-2026:23068-1SUSE-SU-2026:23193-1

Timeline

  1. 22-04-2026
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fix memory leak when a wq is reset idxd_wq_disable_cleanup() which is called from the reset path for a workqueue, sets the wq type to NONE, which for other parts of the driver mean that the wq is empty (all its resources were released). Only set the wq type to NONE after its resources are released.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.17%

Chance of exploitation in the next 30 days

Percentile

6%

Versus all other CVEs

30-day change

+0.04 pp

From 0.12% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.17%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu145 products
  • linuxAll versions (No fix recorded) | < 6.8.0-136.136
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 6.8.0-1061.64
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ da32b28c95a79e399e18c03f8178f41aec9c66e4, < a16098a2f0c11ee5e04e23aa7478ca1fcfb0f658 | ≥ da32b28c95a79e399e18c03f8178f41aec9c66e4, < 54d77cc0c40ca2f894859dc7b3c52997574f1a2a | ≥ da32b28c95a79e399e18c03f8178f41aec9c66e4, < 39c1504e0e76bcfb93991fd94288a83e05d13b51 | ≥ da32b28c95a79e399e18c03f8178f41aec9c66e4, < a9e7815d38629bcf59d3005001f1f315424a58de | ≥ da32b28c95a79e399e18c03f8178f41aec9c66e4, < 0c3d3ac57e3c52b570b8c695903306bff07e04c8 | ≥ da32b28c95a79e399e18c03f8178f41aec9c66e4, < d9cfb5193a047a92a4d3c0e91ea4cc87c8f7c478 | 2a2df2bd10de44c3804661ed15157817c12d6291 | ≥ 5.7.10, < 5.8 | 5.8
  • linux_kernel≥ 5.7.10, < 5.8 | ≥ 5.8.1, < 6.1.168 | ≥ 6.2, < 6.6.131 | ≥ 6.7, < 6.12.80 | ≥ 6.13, < 6.18.21 | ≥ 6.19, < 6.19.11 | 5.8 | 5.8:rc6 | 5.8:rc7 | 7.0:rc1 | 7.0:rc2 | 7.0:rc3 | 7.0:rc4 | 7.0:rc5
Debian1 product
  • linux< 6.1.170-1 | < 6.12.85-1 | < 6.19.11-1

3 vendors · 148 products

References

28 links
Show all 28 references