#VU106783 Improper locking in Linux kernel - CVE-2025-21931
Published: April 2, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU106783
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-2025-21931
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 do_migrate_range() function in mm/memory_hotplug.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/576a2f4c437c19bec7d05d05b5990f178d2b0f40
- https://git.kernel.org/stable/c/629dfc6ba5431056701d4e44830f3409b989955a
- https://git.kernel.org/stable/c/af288a426c3e3552b62595c6138ec6371a17dbba
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14