SB20260507118 - Race condition in Linux kernel rds

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB20260507118

SB20260507118 - Race condition in Linux kernel rds

Published: May 7, 2026

Security Bulletin ID SB20260507118
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Race condition (CVE-ID: CVE-2026-43226)

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

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/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 state management in the RDS/TCP connection handling code when processing connection state transitions. A local user can trigger unexpected state transitions to cause a denial of service.

The issue can leave the shutdown work flag set indefinitely after the connection reaches an invalid state.


Remediation

Install update from vendor's website.

References