#VU106753 Improper locking in Linux kernel - CVE-2025-21951
Published: April 2, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU106753
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-2025-21951
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 mhi_pci_recovery_work() function in drivers/bus/mhi/host/pci_generic.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/1f9eb7078bc6b5fb5cbfbcb37c4bc01685332b95
- https://git.kernel.org/stable/c/62505657475c245c9cd46e42ac01026d1e61f027
- https://git.kernel.org/stable/c/7746f3bb8917fccb4571a576f3837d80fc513054
- https://git.kernel.org/stable/c/7a5ffadd54fe2662f5c99cdccf30144d060376f7
- https://git.kernel.org/stable/c/985d3cf56d8745ca637deee273929e01df449f85
- https://git.kernel.org/stable/c/a321d163de3d8aa38a6449ab2becf4b1581aed96
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.179
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.131
- 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
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.83