#VU117409 Improper locking in Linux kernel - CVE-2025-40006
Published: October 21, 2025
Vulnerability identifier: #VU117409
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-2025-40006
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 remove_inode_single_folio() function in fs/hugetlbfs/inode.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/21ee79ce938127f88fe07e409c1817f477dbe7ea
- https://git.kernel.org/stable/c/3e851448078f5b01f6264915df3cfef75e323a12
- https://git.kernel.org/stable/c/7b7387650dcf2881fd8bb55bcf3c8bd6c9542dd7
- https://git.kernel.org/stable/c/910d7749346c4b0acdc6e4adfdc4a9984281a206
- https://git.kernel.org/stable/c/91f548e920fbf8be3f285bfa3fa045ae017e836d
- https://git.kernel.org/stable/c/bc1c9ce8aeff45318332035dbef9713fb9e982d7
- https://git.kernel.org/stable/c/c1dc0524ab2cc3982d4e0d2bfac71a0cd4d65c39
- https://git.kernel.org/stable/c/c9c2a51f91aea70e89b496cac360cd795a2b3c26