#VU116266 Race condition in Linux kernel - CVE-2022-50453
Published: October 1, 2025 / Updated: October 27, 2025
Vulnerability identifier: #VU116266
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-2022-50453
CWE-ID: CWE-362
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 a race condition within the linehandle_ioctl(), linereq_ioctl(), linereq_poll(), linereq_read(), lineevent_poll(), lineevent_read(), lineevent_ioctl(), lineinfo_watch_poll() and lineinfo_watch_read() functions in drivers/gpio/gpiolib-cdev.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/533aae7c94dbc2b14301cfd68ae7e0e90f0c8438
- https://git.kernel.org/stable/c/6d79546622baab843172b52c3af035f83c1b21df
- https://git.kernel.org/stable/c/7c755a2d6df511eeb5afba966ac28140f9ea5063
- https://git.kernel.org/stable/c/ac6ce3cd7a3e10a2e37b8970bab81b4d33d5cfc3
- https://git.kernel.org/stable/c/d66f68ac9e7ba46b6b90fbe25155723f2126088a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.16