#VU111582 Improper locking in Linux kernel - CVE-2022-49936
Published: June 20, 2025 / Updated: June 21, 2025
Vulnerability identifier: #VU111582
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-2022-49936
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 usb_reset_device() function in drivers/usb/core/hub.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/1b29498669914c7f9afb619722421418a753d372
- https://git.kernel.org/stable/c/9c6d778800b921bde3bff3cff5003d1650f942d1
- https://git.kernel.org/stable/c/abe3cfb7a7c8e907b312c7dbd7bf4d142b745aa8
- https://git.kernel.org/stable/c/c548b99e1c37db6f7df86ecfe9a1f895d6c5966e
- https://git.kernel.org/stable/c/cc9a12e12808af178c600cc485338bac2e37d2a8
- https://git.kernel.org/stable/c/d5eb850b3e8836197a38475840725260b9783e94
- https://git.kernel.org/stable/c/d90419b8b8322b6924f6da9da952647f2dadc21b
- https://git.kernel.org/stable/c/df1875084898b15cbc42f712e93d7f113ae6271b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.213