SB20240711203 - Input validation error in Linux kernel netfilter
Published: July 11, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240711203
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) Input validation error (CVE-ID: CVE-2023-52433)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the __nft_rbtree_insert() function in net/netfilter/nft_set_rbtree.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/e3213ff99a355cda811b41e8dbb3472d13167a3a
- https://git.kernel.org/stable/c/2ee52ae94baabf7ee09cf2a8d854b990dac5d0e4
- https://git.kernel.org/stable/c/03caf75da1059f0460666c826e9f50e13dfd0017
- https://git.kernel.org/stable/c/c323ed65f66e5387ee0a73452118d49f1dae81b8
- https://git.kernel.org/stable/c/9af7dfb3c9d7985172a240f85e684c5cd33e29ce
- https://git.kernel.org/stable/c/9a8c544158f68f656d1734eb5ba00c4f817b76b1
- https://git.kernel.org/stable/c/9db9feb841f7449772f9393c16b9ef4536d8c127
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.316