#VU106117 Improper locking in Linux kernel - CVE-2025-21878
Published: March 27, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU106117
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-2025-21878
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 npcm_i2c_probe_bus() function in drivers/i2c/busses/i2c-npcm7xx.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/12d0e39916705b68d2d8ba20a8e35d1d27afc260
- https://git.kernel.org/stable/c/1b267e1b87d52b16e7dfcc7ab2ab760f6f8f9ca9
- https://git.kernel.org/stable/c/545b563eb00d0576775da4011b3f7ffefc9e8c60
- https://git.kernel.org/stable/c/846e371631c57365eeb89e5db1ab0f344169af93
- https://git.kernel.org/stable/c/dd1998e243f5fa25d348a384ba0b6c84d980f2b2
- https://git.kernel.org/stable/c/e3aea1dba97d31eceed7b622000af0406988b9c8
- https://git.kernel.org/stable/c/f32d7b4dc6e791523c70e83049645dcba2a2aa33
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.235