#VU118415 Improper locking in Linux kernel - CVE-2025-40153
Published: November 12, 2025
Vulnerability identifier: #VU118415
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-2025-40153
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 hugetlb_change_protection() function in mm/hugetlb.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/30498c44c2a0b20f6833ed7d8fc3df901507f760
- https://git.kernel.org/stable/c/4975c975ed9457a77953a26aeef85fdba7cf5498
- https://git.kernel.org/stable/c/547e123e9d342a44c756446640ed847a8aeec611
- https://git.kernel.org/stable/c/5783485ab2be06be5312b26c8793526edc09123d
- https://git.kernel.org/stable/c/957faf9582f92bb2be8ebe4ab6aa1c2bc71d9859
- https://git.kernel.org/stable/c/964598e6f70a1be9fe675280bf16b4f96b0a6809
- https://git.kernel.org/stable/c/c6096f3947f68f96defedb8764b3b1ca4cf3469f
- https://git.kernel.org/stable/c/f52ce0ea90c83a28904c7cc203a70e6434adfecb