SB2025020568 - Memory leak in Linux kernel netfilter
Published: February 5, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025020568
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Memory leak (CVE-ID: CVE-2023-52924)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the nft_rbtree_walk() function in net/netfilter/nft_set_rbtree.c, within the nft_rhash_walk() function in net/netfilter/nft_set_hash.c, within the nf_tables_dump_setelem() function 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.
References
- https://git.kernel.org/stable/c/1da4874d05da1526b11b82fc7f3c7ac38749ddf8
- https://git.kernel.org/stable/c/24138933b97b055d486e8064b4a1721702442a9b
- https://git.kernel.org/stable/c/59dab3bf0b8fc08eb802721c0532f13dd89209b8
- https://git.kernel.org/stable/c/7c7e658a36f8b1522bd3586d8137e5f93a25ddc5
- https://git.kernel.org/stable/c/94313a196b44184b5b52c1876da6a537701b425a
- https://git.kernel.org/stable/c/b15ea4017af82011dd55225ce77cce3d4dfc169c
- https://git.kernel.org/stable/c/bd156ce9553dcaf2d6ee2c825d1a5a1718e86524
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.11