Not yet scoredPublished Jul 25, 2026

CVE-2026-64521pinctrl: meson: amlogic-a4: fix deadlock issue

Updated under an hour ago (Oct 28, 2026, 3:10 AM ET)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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.

CVSS: Not yet scored
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Received
Record last updated: Jul 25, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 6e9be3abb78c2f6c97a51070004a5165702f0ed9 before e917713f013423069782ff554935c7a5d4266783; from 6e9be3abb78c2f6c97a51070004a5165702f0ed9 before 744ac926c0e55267a10b49b5b72582afef4ad49f; from 6e9be3abb78c2f6c97a51070004a5165702f0ed9 before e72ce029810390eb987a036fb2c8a5da9a23b685	CNA record

References

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.