PT-2026-64742 · Linux · Linux
CVE-2026-64521
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Published
2026-07-25
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Updated
2026-07-25
None
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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.
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Related Identifiers
Affected Products
Linux