SB20240608188 - Race condition in Linux kernel netfilter ipset



SB20240608188 - Race condition in Linux kernel netfilter ipset

Published: June 8, 2024 Updated: May 13, 2025

Security Bulletin ID SB20240608188
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-2024-26910)

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

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/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 perform a denial of service (DoS) attack.

The vulnerability exists due to a race condition within the list_set_destroy() and list_set_same_set() functions in net/netfilter/ipset/ip_set_list_set.c, within the ip_set_destroy_set(), ip_set_destroy(), ip_set_swap() and ip_set_fini() functions in net/netfilter/ipset/ip_set_core.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.