SB2024071330 - Use-after-free in Linux kernel netfilter ipset

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Main Vulnerability Database SB2024071330

SB2024071330 - Use-after-free in Linux kernel netfilter ipset

Published: July 13, 2024 Updated: May 13, 2025

Security Bulletin ID SB2024071330
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Use-after-free (CVE-ID: CVE-2024-39503)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the list_set_kadd(), list_set_kdel(), list_set_utest(), list_set_uadd(), list_set_udel() and list_set_destroy() functions in net/netfilter/ipset/ip_set_list_set.c, within the call_rcu(), ip_set_destroy() and ip_set_net_init() functions in net/netfilter/ipset/ip_set_core.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.

References