SB20251208104 - Input validation error in Linux kernel core
Published: December 8, 2025 Updated: December 12, 2025
Security Bulletin ID
SB20251208104
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-2023-53752)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the kmalloc_reserve() function in net/core/skbuff.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/31cf7853a940181593e4472fc56f46574123f9f6
- https://git.kernel.org/stable/c/915d975b2ffa58a14bfcf16fafe00c41315949ff
- https://git.kernel.org/stable/c/bf7da02d2b8faf324206e1cbe64a4813ff903cc1
- https://git.kernel.org/stable/c/e4ffc47a1c3e5d11a853aa178c9a5136e79412e9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.16