Improper locking in Linux kernel - CVE-2025-68194
Published: December 16, 2025
Vulnerability identifier: #VU120091
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-2025-68194
CWE-ID: CWE-667
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 locking within the send_packet(), usb_rx_callback_intf0() and usb_rx_callback_intf1() functions in drivers/media/rc/imon.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2025-68194
Install update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/0213e4175abbb9dfcbf7c197e3817d527f459ad5
- https://git.kernel.org/stable/c/26f6a1dd5d81ad61a875a747698da6f27abf389b
- https://git.kernel.org/stable/c/519737af11c03590819a6eec2ad532cfdb87ea63
- https://git.kernel.org/stable/c/667afd4681781f60a644cd0d2ee6c59cb1c36208
- https://git.kernel.org/stable/c/8231e80118463be5598daaf266c1c83650f1948b
- https://git.kernel.org/stable/c/eecd203ada43a4693ce6fdd3a58ae10c7819252c
- https://git.kernel.org/stable/c/f58ab83b7b7133e6baefe03a46846c4f6ce45e2f
- https://git.kernel.org/stable/c/f7f3ecb4934fff782fa9bb1cd16e2290c041b22d