CVE-2026-45868
kernel: pinctrl: single: fix refcount leak in pcs_add_gpio_func()
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · May 27, 2026
Updated · June 27, 2026
Description
A flaw was found in the Linux kernel's pinctrl: single subsystem. The pcs_add_gpio_func() function does not properly release a device node reference after parsing, causing a reference count leak. This continuous leak of resources can lead to system instability and a denial of service (DoS) condition.
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 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-911 · Improper Update of Reference Count