SB2024071330 - Use-after-free in Linux kernel netfilter ipset
Published: July 13, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024071330
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2024-39503)
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
- https://git.kernel.org/stable/c/c0761d1f1ce1d5b85b5e82bbb714df12de1aa8c3
- https://git.kernel.org/stable/c/93b53c202b51a69e42ca57f5a183f7e008e19f83
- https://git.kernel.org/stable/c/0f1bb77c6d837c9513943bc7c08f04c5cc5c6568
- https://git.kernel.org/stable/c/390b353d1a1da3e9c6c0fd14fe650d69063c95d6
- https://git.kernel.org/stable/c/2ba35b37f780c6410bb4bba9c3072596d8576702
- https://git.kernel.org/stable/c/90ae20d47de602198eb69e6cd7a3db3420abfc08
- https://git.kernel.org/stable/c/4e7aaa6b82d63e8ddcbfb56b4fd3d014ca586f10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.221
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.162
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.279
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.95
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.35