5.5

CVE-2026-43064: linux

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2026-43064DEBIAN-CVE-2026-43064
Published 05-05-2026Last modified 19-06-2026
Open JSON

Vulnerability summary

CVE-2026-43064 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.11% chance of exploitation in the next 30 days, higher than 1.3% 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
0.11%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 32 · Related 32
OPENSUSE-SU-2026:21555-1SUSE-SU-2026:23066-1SUSE-SU-2026:23068-1SUSE-SU-2026:23193-1SUSE-SU-2026:23194-1SUSE-SU-2026:23221-1

Timeline

  1. 05-05-2026
    PublishedVulnerability first disclosed.
  2. 19-06-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fix not releasing workqueue on .release() The workqueue associated with an DSA/IAA device is not released when the object is freed.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.11%

Chance of exploitation in the next 30 days

Percentile

1%

Versus all other CVEs

30-day change

0.00 pp

From 0.11% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.11%

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

No weakness data has been published for this record.

Affected systems

Ubuntu145 products
  • linux< 5.15.0-198.208 | < 6.8.0-136.136 | All versions (No fix recorded)
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.15.0-1117.124 | < 6.8.0-1061.64 | All versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 47c16ac27d4cb664cee53ee0b9b7e2f907923fb3, < 70ae35be58d476e2fd9f7a941a5e03b2f5fadb8d | ≥ 47c16ac27d4cb664cee53ee0b9b7e2f907923fb3, < b22fd53b2ceb35445475f0edab13a908c5fb8433 | ≥ 47c16ac27d4cb664cee53ee0b9b7e2f907923fb3, < 2bb9e9e93adff9cc8a138ae9a3a8d59b3452272e | ≥ 47c16ac27d4cb664cee53ee0b9b7e2f907923fb3, < d02c24af126dee45247dc7890409c86d1831859d | ≥ 47c16ac27d4cb664cee53ee0b9b7e2f907923fb3, < 958e96533ddbd1edd127feb7624a7eed0cc379dc | ≥ 47c16ac27d4cb664cee53ee0b9b7e2f907923fb3, < fc34f199eb576b3a73089452fdf0056cc9a9301d | ≥ 47c16ac27d4cb664cee53ee0b9b7e2f907923fb3, < 3d33de353b1ff9023d5ec73b9becf80ea87af695 | 3f0e87eb9680975184e98aed0e8866b4442a31f6 | a13e4cf29da68630a116c1309072a265ade9566d | ≥ 5.11.22, < 5.12 | ≥ 5.12.5, < 5.13 | 5.13
  • linux_kernel≥ 5.11.22, < 5.12 | ≥ 5.12.5, < 5.13 | ≥ 5.13, < 6.1.168 | ≥ 6.2, < 6.6.131 | ≥ 6.7, < 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
  • linux< 6.1.176-1 | < 6.12.85-1 | < 6.19.11-1

3 vendors · 148 products

References

31 links
Show all 31 references