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Vulnerability Details :

CVE-2026-64521

Summary
Assigner-Linux
Assigner Org ID-416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published At-25 Jul, 2026 | 09:14
Updated At-25 Jul, 2026 | 09:14
Rejected At-
Credits

pinctrl: meson: amlogic-a4: fix deadlock issue

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.

Vendors
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Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
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Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
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Latest Percentile
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N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:Linux
Assigner Org ID:416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published At:25 Jul, 2026 | 09:14
Updated At:25 Jul, 2026 | 09:14
Rejected At:
▼CVE Numbering Authority (CNA)
pinctrl: meson: amlogic-a4: fix deadlock issue

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.

Affected Products
Vendor
Linux Kernel Organization, IncLinux
Product
Linux
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Program Files
  • drivers/pinctrl/meson/pinctrl-amlogic-a4.c
Default Status
unaffected
Versions
Affected
  • From 6e9be3abb78c2f6c97a51070004a5165702f0ed9 before e917713f013423069782ff554935c7a5d4266783 (git)
  • From 6e9be3abb78c2f6c97a51070004a5165702f0ed9 before 744ac926c0e55267a10b49b5b72582afef4ad49f (git)
  • From 6e9be3abb78c2f6c97a51070004a5165702f0ed9 before e72ce029810390eb987a036fb2c8a5da9a23b685 (git)
Vendor
Linux Kernel Organization, IncLinux
Product
Linux
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Program Files
  • drivers/pinctrl/meson/pinctrl-amlogic-a4.c
Default Status
affected
Versions
Affected
  • 6.15
Unaffected
  • From 0 before 6.15 (semver)
  • From 6.18.34 through 6.18.* (semver)
  • From 7.0.11 through 7.0.* (semver)
  • From 7.1 through * (original_commit_for_fix)
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
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EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://git.kernel.org/stable/c/e917713f013423069782ff554935c7a5d4266783
N/A
https://git.kernel.org/stable/c/744ac926c0e55267a10b49b5b72582afef4ad49f
N/A
https://git.kernel.org/stable/c/e72ce029810390eb987a036fb2c8a5da9a23b685
N/A
Hyperlink: https://git.kernel.org/stable/c/e917713f013423069782ff554935c7a5d4266783
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/744ac926c0e55267a10b49b5b72582afef4ad49f
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/e72ce029810390eb987a036fb2c8a5da9a23b685
Resource: N/A
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published At:25 Jul, 2026 | 10:17
Updated At:25 Jul, 2026 | 10:17

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
CPE Matches
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://git.kernel.org/stable/c/744ac926c0e55267a10b49b5b72582afef4ad49f416baaa9-dc9f-4396-8d5f-8c081fb06d67
N/A
https://git.kernel.org/stable/c/e72ce029810390eb987a036fb2c8a5da9a23b685416baaa9-dc9f-4396-8d5f-8c081fb06d67
N/A
https://git.kernel.org/stable/c/e917713f013423069782ff554935c7a5d4266783416baaa9-dc9f-4396-8d5f-8c081fb06d67
N/A
Hyperlink: https://git.kernel.org/stable/c/744ac926c0e55267a10b49b5b72582afef4ad49f
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/e72ce029810390eb987a036fb2c8a5da9a23b685
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/e917713f013423069782ff554935c7a5d4266783
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Resource: N/A

Change History

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