#VU116419 Improper locking in Linux kernel - CVE-2022-50430
Published: October 3, 2025 / Updated: October 27, 2025
Vulnerability identifier: #VU116419
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-2022-50430
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 vub300_enable_sdio_irq() function in drivers/mmc/host/vub300.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/32d5af247d4de6a35769ca1d027480a37c28fd0c
- https://git.kernel.org/stable/c/48e91ae755f027d817ed7e51db9963ddb7081946
- https://git.kernel.org/stable/c/4a44cd249604e29e7b90ae796d7692f5773dd348
- https://git.kernel.org/stable/c/6f7258c6f66692b3760c37ddd4bc9e02bb290da7
- https://git.kernel.org/stable/c/b51d5fed9f53e07ce9fc65efb4ff1abe021a4c16
- https://git.kernel.org/stable/c/ba2e7d07dd06e646a72ba906a89fdc1cca7ea560
- https://git.kernel.org/stable/c/d15946ef98f4ccdca961b76f90d9b53c454d590e
- https://git.kernel.org/stable/c/d58289fc77f8c1f879c818bddaf7ef524c73658b
- https://git.kernel.org/stable/c/f1c08947ab0538b07a0bd9d6edadfb5185f56344
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.229