#VU105669 Improper locking in Linux kernel - CVE-2025-21859
Published: March 12, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU105669
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-2025-21859
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 f_midi_complete() function in drivers/usb/gadget/function/f_midi.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/24a942610ee9bafb2692a456ae850c5b2e409b05
- https://git.kernel.org/stable/c/4ab37fcb42832cdd3e9d5e50653285ca84d6686f
- https://git.kernel.org/stable/c/8aa6b4be1f4efccbfc533e6ec8841d26e4fa8dba
- https://git.kernel.org/stable/c/deeee3adb2c01eedab32c3b4519337689ad02e8a
- https://git.kernel.org/stable/c/e9fec6f42c45db2f62dc373fb1a10d2488c04e79
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.17