SB2025121653 - Memory leak in Linux kernel ipv4
Published: December 16, 2025
Security Bulletin ID
SB2025121653
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-2025-68241)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the fnhe_remove_oldest() function in net/ipv4/route.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/041ab9ca6e80d8f792bb69df28ebf1ef39c06af8
- https://git.kernel.org/stable/c/0fd16ed6dc331636fb2a874c42d2f7d3156f7ff0
- https://git.kernel.org/stable/c/298f1e0694ab4edb6092d66efed93c4554e6ced1
- https://git.kernel.org/stable/c/4b7210da22429765d19460d38c30eeca72656282
- https://git.kernel.org/stable/c/69d35c12168f9c59b159ae566f77dfad9f96d7ca
- https://git.kernel.org/stable/c/ac1499fcd40fe06479e9b933347b837ccabc2a40
- https://git.kernel.org/stable/c/b84f083f50ecc736a95091691339a1b363962f0e
- https://git.kernel.org/stable/c/b8a44407bdaf2f0c5505cc7d9fc7d8da90cf9a94