SB2026060431 - Improper resource shutdown or release in Linux kernel dma driver

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Main Vulnerability Database SB2026060431

SB2026060431 - Improper resource shutdown or release in Linux kernel dma driver

Published: June 4, 2026

Security Bulletin ID SB2026060431
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Partial DoS

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper resource shutdown or release (CVE-ID: CVE-2026-46255)

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 in fsl_edma_remove() in the fsl-edma driver when removing the driver. A local user can trigger driver removal to cause a denial of service.

The issue results in kernel warnings because clocks are disabled and unprepared after they were already managed by automatic resource cleanup.


Remediation

Install update from vendor's website.

References