#VU120819 Improper locking in Linux kernel - CVE-2022-50851

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Main Vulnerability Database Vulnerabilities #VU120819

#VU120819 Improper locking in Linux kernel - CVE-2022-50851

Published: December 30, 2025 / Updated: December 30, 2025


Vulnerability identifier: #VU120819
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-2022-50851
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
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 DEFINE_IDA(), vhost_vdpa_remove_as(), vhost_vdpa_unlocked_ioctl(), vhost_vdpa_pa_unmap(), vhost_vdpa_va_unmap() and vhost_vdpa_unmap() functions in drivers/vhost/vdpa.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's repository.

External links