SB2025100186 - Race condition in Linux kernel gpio driver
Published: October 1, 2025 Updated: October 27, 2025
Security Bulletin ID
SB2025100186
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) Race condition (CVE-ID: CVE-2022-50453)
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 website.
References
- 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