pinctrl: meson: amlogic-a4: fix deadlock issue

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-64521
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-25 10:17:38 UTC
Updated2026-07-25 10:17:38 UTC
DescriptionIn 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.

Risk And Classification

EPSS: 0.001660000 probability, percentile 0.062480000 (date 2026-07-26)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 6e9be3abb78c2f6c97a51070004a5165702f0ed9 e917713f013423069782ff554935c7a5d4266783 git Not specified
CNA Linux Linux affected 6e9be3abb78c2f6c97a51070004a5165702f0ed9 744ac926c0e55267a10b49b5b72582afef4ad49f git Not specified
CNA Linux Linux affected 6e9be3abb78c2f6c97a51070004a5165702f0ed9 e72ce029810390eb987a036fb2c8a5da9a23b685 git Not specified
CNA Linux Linux affected 6.15 Not specified
CNA Linux Linux unaffected 6.15 semver Not specified
CNA Linux Linux unaffected 6.18.34 6.18.* semver Not specified
CNA Linux Linux unaffected 7.0.11 7.0.* semver Not specified
CNA Linux Linux unaffected 7.1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/e917713f013423069782ff554935c7a5d4266783 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/744ac926c0e55267a10b49b5b72582afef4ad49f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/e72ce029810390eb987a036fb2c8a5da9a23b685 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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