#VU117595 Improper locking in Linux kernel - CVE-2023-53727
Published: October 23, 2025 / Updated: October 26, 2025
Vulnerability identifier: #VU117595
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-2023-53727
CWE-ID: CWE-667
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 locking within the fq_pie_change() function in net/sched/sch_fq_pie.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/8c21ab1bae945686c602c5bfa4e3f3352c2452c5
- https://git.kernel.org/stable/c/94d527c3759d76c29220758362f622954612bea7
- https://git.kernel.org/stable/c/973a4c302d7f3804098ff9824d9f56926901f293
- https://git.kernel.org/stable/c/e093000e7d13569c9cb07d7500acd5142c3c43cb
- https://git.kernel.org/stable/c/f39b49077abec4c9c3a4c2966532004851c51006
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.54