SB20251226101 - Memory leak in Linux kernel ipv4
Published: December 26, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251226101
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-2023-53995)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the __inet_del_ifa() function in net/ipv4/devinet.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/2f1e86014d0cc084886c36a2d77bc620e2d42618
- https://git.kernel.org/stable/c/42652af5360d30b43b06057c193739e7dfb18f42
- https://git.kernel.org/stable/c/5624f26a3574500ce23929cb2c9976a0dec9920a
- https://git.kernel.org/stable/c/7c8ddcdab1b900bed69cad6beef477fff116289e
- https://git.kernel.org/stable/c/980f8445479814509a3cd55a8eabaae1c9030a4c
- https://git.kernel.org/stable/c/ac28b1ec6135649b5d78b028e47264cb3ebca5ea
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.195
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.132
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.257
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.54
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6