SB20260918179 - Race condition in Linux kernel dma dw-edma driver

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB20260918179

SB20260918179 - Race condition in Linux kernel dma dw-edma driver

Published: September 18, 2026

Security Bulletin ID SB20260918179
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) Race condition (CVE-ID: CVE-2026-93040)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CVSSv4: 4.8 [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]


The vulnerability allows a local user to cause a denial of service.

The vulnerability exists due to a race condition in the DesignWare eDMA channel state handling when pause(), resume(), or issue_pending() evaluates channel state concurrently with interrupt handlers. A local user can invoke DMA channel operations during a concurrent state transition to cause a denial of service.


Remediation

Install update from vendor's website.

References