SB2025062073 - Improper locking in Linux kernel usb core driver
Published: June 20, 2025 Updated: June 21, 2025
Security Bulletin ID
SB2025062073
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper locking (CVE-ID: CVE-2022-49936)
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 website.
References
- 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