SB20260424288 - Improper resource shutdown or release in Linux kernel dma idxd driver
Published: April 24, 2026
Security Bulletin ID
SB20260424288
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper resource shutdown or release (CVE-ID: CVE-2026-31441)
CWE-ID: CWE-404 - Improper Resource Shutdown or Release
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper resource shutdown or release in idxd workqueue reset handling when resetting a workqueue. A local user can trigger a workqueue reset to cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0c3d3ac57e3c52b570b8c695903306bff07e04c8
- https://git.kernel.org/stable/c/39c1504e0e76bcfb93991fd94288a83e05d13b51
- https://git.kernel.org/stable/c/54d77cc0c40ca2f894859dc7b3c52997574f1a2a
- https://git.kernel.org/stable/c/a16098a2f0c11ee5e04e23aa7478ca1fcfb0f658
- https://git.kernel.org/stable/c/a9e7815d38629bcf59d3005001f1f315424a58de
- https://git.kernel.org/stable/c/d9cfb5193a047a92a4d3c0e91ea4cc87c8f7c478