SB2024062666 - Race condition in Linux kernel ipv4



SB2024062666 - Race condition in Linux kernel ipv4

Published: June 26, 2024 Updated: May 13, 2025

Security Bulletin ID SB2024062666
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 security vulnerability.


1) Race condition (CVE-ID: CVE-2024-36905)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a race condition within the tcp_send_fin() function in net/ipv4/tcp_output.c, within the tcp_rcv_state_process() function in net/ipv4/tcp_input.c, within the tcp_shutdown() and __tcp_close() functions in net/ipv4/tcp.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.