CVE-2026-64521
Unknown
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.
SeverityUnknown
CVSS—
Exploit probability—
Product
Linux
PublishedJul 25, 2026
First seenJul 25, 2026
How to fix
Update
- Linux Linuxe917713f013423069782ff554935c7a5d4266783, 744ac926c0e55267a10b49b5b72582afef4ad49f, e72ce029810390eb987a036fb2c8a5da9a23b685 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 6e9be3abb78c2f6c97a51070004a5165702f0ed9 ≤ v < e917713f013423069782ff554935c7a5d4266783, 6e9be3abb78c2f6c97a51070004a5165702f0ed9 ≤ v < 744ac926c0e55267a10b49b5b72582afef4ad49f, 6e9be3abb78c2f6c97a51070004a5165702f0ed9 ≤ v < e72ce029810390eb987a036fb2c8a5da9a23b685, 6.15 | e917713f013423069782ff554935c7a5d4266783, 744ac926c0e55267a10b49b5b72582afef4ad49f, e72ce029810390eb987a036fb2c8a5da9a23b685 |
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