CVE-2026-22986
kernel: Linux kernel: Denial of Service due to a race condition in gpiolib
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · January 23, 2026
Updated · June 28, 2026
Description
A flaw was found in the Linux kernel's gpiolib subsystem. A race condition can occur when two drivers simultaneously call the gpiochip_add_data_with_key() function. This timing issue may lead to the system attempting to dereference an uninitialized data structure, resulting in a kernel crash and a Denial of Service (DoS).
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.3CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H
CWE-366 · Race Condition within a Thread