SB20241230184 - Improper locking in Linux kernel ipv6

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Main Vulnerability Database SB20241230184

SB20241230184 - Improper locking in Linux kernel ipv6

Published: December 30, 2024 Updated: May 11, 2025

Security Bulletin ID SB20241230184
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) Improper locking (CVE-ID: CVE-2024-56703)

CWE-ID: CWE-667 - Improper Locking

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 perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the |() function in tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh, within the fib6_select_path(), ip6_route_mpath_notify(), rt6_nlmsg_size(), rt6_fill_node() and inet6_rt_notify() functions in net/ipv6/route.c, within the fib6_del_route() function in net/ipv6/ip6_fib.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References