CVE-2026-31441
dmaengine: idxd: Fix memory leak when a wq is reset
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.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| Linux Linux |
≥ da32b28c95a79e399e18c03f8178f41aec9c66e4; < a16098a2f0c11ee5e04e23aa7478ca1fcfb0f658 (affected, git) ≥ da32b28c95a79e399e18c03f8178f41aec9c66e4; < 54d77cc0c40ca2f894859dc7b3c52997574f1a2a (affected, git) ≥ da32b28c95a79e399e18c03f8178f41aec9c66e4; < 39c1504e0e76bcfb93991fd94288a83e05d13b51 (affected, git) ≥ da32b28c95a79e399e18c03f8178f41aec9c66e4; < a9e7815d38629bcf59d3005001f1f315424a58de (affected, git) ≥ da32b28c95a79e399e18c03f8178f41aec9c66e4; < 0c3d3ac57e3c52b570b8c695903306bff07e04c8 (affected, git) ≥ da32b28c95a79e399e18c03f8178f41aec9c66e4; < d9cfb5193a047a92a4d3c0e91ea4cc87c8f7c478 (affected, git) 2a2df2bd10de44c3804661ed15157817c12d6291 (affected, git) ≥ 5.7.10; < 5.8 (affected, semver) Other versions: unaffected |
CNA: Linux |
| Linux Linux |
5.8 (affected) ≥ 0; < 5.8 (unaffected, semver) ≥ 6.1.168; ≤ 6.1.* (unaffected, semver) ≥ 6.6.131; ≤ 6.6.* (unaffected, semver) ≥ 6.12.80; ≤ 6.12.* (unaffected, semver) ≥ 6.18.21; ≤ 6.18.* (unaffected, semver) ≥ 6.19.11; ≤ 6.19.* (unaffected, semver) ≥ 7.0; ≤ * (unaffected, original_commit_for_fix) Other versions: affected |
CNA: Linux |
| SIMATIC S7-1500 CPU 1518-4 PN/DP MFP Siemens |
≥ V3.1.6; < * (affected, custom)
Other versions: unknown |
ADP: siemens-SADP |
| SIMATIC S7-1500 CPU 1518-4 PN/DP MFP Siemens |
≥ V3.1.5; < * (affected, custom)
Other versions: unknown |
ADP: siemens-SADP |
| SIMATIC S7-1500 CPU 1518-4 PN/DP MFP Siemens |
≥ V3.1.7; < * (affected, custom)
Other versions: unknown |
ADP: siemens-SADP |
| SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP Siemens |
≥ V3.1.6; < * (affected, custom)
Other versions: unknown |
ADP: siemens-SADP |
| SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP Siemens |
≥ V3.1.5; < * (affected, custom)
Other versions: unknown |
ADP: siemens-SADP |
| SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP Siemens |
≥ V3.1.7; < * (affected, custom)
Other versions: unknown |
ADP: siemens-SADP |
| SIPLUS S7-1500 CPU 1518-4 PN/DP MFP Siemens |
≥ V3.1.6; < * (affected, custom)
Other versions: unknown |
ADP: siemens-SADP |
| SIPLUS S7-1500 CPU 1518-4 PN/DP MFP Siemens |
≥ V3.1.5; < * (affected, custom)
Other versions: unknown |
ADP: siemens-SADP |
| SIPLUS S7-1500 CPU 1518-4 PN/DP MFP Siemens |
≥ V3.1.7; < * (affected, custom)
Other versions: unknown |
ADP: siemens-SADP |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
No CVSS assessment reported. An unscored record is not a low-severity determination.
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://git.kernel.org/stable/c/a16098a2f0c11ee5e04e23aa7478ca1fcfb0f658CNA: Linux
- https://git.kernel.org/stable/c/54d77cc0c40ca2f894859dc7b3c52997574f1a2aCNA: Linux
- https://git.kernel.org/stable/c/39c1504e0e76bcfb93991fd94288a83e05d13b51CNA: Linux
- https://git.kernel.org/stable/c/a9e7815d38629bcf59d3005001f1f315424a58deCNA: Linux
- https://git.kernel.org/stable/c/0c3d3ac57e3c52b570b8c695903306bff07e04c8CNA: Linux
- https://git.kernel.org/stable/c/d9cfb5193a047a92a4d3c0e91ea4cc87c8f7c478CNA: Linux
- https://cert-portal.siemens.com/productcert/html/ssa-082556.htmlADP: siemens-SADP
- https://cert-portal.siemens.com/productcert/html/ssa-019113.htmlADP: siemens-SADP
- https://cert-portal.siemens.com/productcert/html/ssa-457936.htmlADP: siemens-SADP
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