#VU119346 Input validation error in Linux kernel - CVE-2023-53752
Published: December 8, 2025 / Updated: December 12, 2025
Vulnerability identifier: #VU119346
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-53752
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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 repository.
External links
- 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