CVE-2026-64521 - Vulnerability Details - OpenCVE

In the Linux kernel, the following vulnerability has been resolved: pinctrl: meson: amlogic-a4: fix deadlock issue Accessing the pinconf-pins sysfs node may deadlock. pinconf_pins_show() holds pctldev->mutex, and the platform driver calls pinctrl_find_gpio_range_from_pin(), which tries to acquire the same mutex again, leading to a deadlock. Use pinctrl_find_gpio_range_from_pin_nolock() to fix this issue.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00206.

Key SSVC decision points have not yet been added.

Vendors	Products
Linux	Linux Kernel

No data.

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References

Link	Providers
https://git.kernel.org/stable/c/744ac926c0e55267a10b49b5b72582afef4ad49f
https://git.kernel.org/stable/c/e72ce029810390eb987a036fb2c8a5da9a23b685
https://git.kernel.org/stable/c/e917713f013423069782ff554935c7a5d4266783

History

Sat, 25 Jul 2026 09:30:00 +0000

Type	Values Removed	Values Added
Description		In the Linux kernel, the following vulnerability has been resolved: pinctrl: meson: amlogic-a4: fix deadlock issue Accessing the pinconf-pins sysfs node may deadlock. pinconf_pins_show() holds pctldev->mutex, and the platform driver calls pinctrl_find_gpio_range_from_pin(), which tries to acquire the same mutex again, leading to a deadlock. Use pinctrl_find_gpio_range_from_pin_nolock() to fix this issue.
Title		pinctrl: meson: amlogic-a4: fix deadlock issue
First Time appeared		Linux Linux linux Kernel
CPEs		cpe:2.3:o:linux:linux_kernel::::::::
Vendors & Products		Linux Linux linux Kernel
References		https://git.kernel.org/stable/c/744ac926c0e55267a10b49b5b72582afef4ad49f https://git.kernel.org/stable/c/e72ce029810390eb987a036fb2c8a5da9a23b685 https://git.kernel.org/stable/c/e917713f013423069782ff554935c7a5d4266783

MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2026-07-25T09:14:46.709Z

Updated: 2026-07-25T09:14:46.709Z

Reserved: 2026-07-19T15:36:31.794Z

Link: CVE-2026-64521

Vulnrichment

No data.

NVD

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Redhat

No data.

OpenCVE Enrichment

No data.

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