Input validation error in Linux kernel - CVE-2025-21992
Published: April 2, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU106867
CSH Severity: Low
CVSS v4.0: 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-2025-21992
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the HID_USB_DEVICE() function in drivers/hid/hid-quirks.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2025-21992
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/363236d709e75610b628c2a4337ccbe42e454b6d
- https://git.kernel.org/stable/c/6ca3d4d87af406a390a34ea924ab65c517e6e132
- https://git.kernel.org/stable/c/7a7ada33879a631b05b536e66d1c5b1219d3bade
- https://git.kernel.org/stable/c/920ea73215dbf948b661b88a79cb47b7f96adfbd
- https://git.kernel.org/stable/c/9acdb0059fb6b82158e15adae91e629cb5974564
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.132