#VU102161 Improper locking in Linux kernel - CVE-2024-56655
Published: December 30, 2024 / Updated: May 11, 2025
Vulnerability identifier: #VU102161
Vulnerability risk: Low
CVSSv4.0: 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
CVE-ID: CVE-2024-56655
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the nf_tables_newtable(), nf_tables_rule_destroy(), nf_tables_deactivate_set(), __nft_release_basechain_now() and __nft_release_basechain() functions in net/netfilter/nf_tables_api.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/27f0574253f6c24c8ee4e3f0a685b75ed3a256ed
- https://git.kernel.org/stable/c/7cf0bd232b565d9852cb25fd094f77254773e048
- https://git.kernel.org/stable/c/b04df3da1b5c6f6dc7cdccc37941740c078c4043
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.67