SB20251008128 - Resource management error in Linux kernel netfilter
Published: October 8, 2025 Updated: October 26, 2025
Security Bulletin ID
SB20251008128
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) Resource management error (CVE-ID: CVE-2023-53635)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the ctnetlink_dump_status() and ctnetlink_create_conntrack() functions in net/netfilter/nf_conntrack_netlink.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/73db1b8f2bb6725b7391e85aab41fdf592b3c0c1
- https://git.kernel.org/stable/c/80c5ba0078e20d926d11d0778f9a43902664ebf0
- https://git.kernel.org/stable/c/f612ae1ab4793701caf39386fb3b7f4b3ef44e48
- https://git.kernel.org/stable/c/ff5e4ac8dd7be7f1faba955c5779a68571eeb0f8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.15