SB2025122685 - Memory leak in Linux kernel netfilter
Published: December 26, 2025 Updated: December 31, 2025
Security Bulletin ID
SB2025122685
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-2023-54035)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the nft_add_set_elem() 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/9c959671abc7d4ffdf34eed10c64492d43cb6a3c
- https://git.kernel.org/stable/c/b068314fd8ce751a7f906e55bb90f3551815f1a0
- https://git.kernel.org/stable/c/b389139f12f287b8ed2e2628b72df89a081f0b59
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.43
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5