CVE-2026-64521Patch

LOW

Signal is active with 3 mentions in latest observed window

Immediate actions

  • Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD 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.

0.5/ 10 priority

Sources & remediation

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Threat summary

  • Patch or workaround signal is available
  • 3 mentions across 1 observed day

What's happening

  • Patch or workaround mentioned in 2 signals
  • Technical details provided in 2 signals
  • 3 total mentions across 1 day

Deep dive

Activity timeline3 mentions / 1d
01223Mentions · 2026-07-25: 3Patch / Workaround · 2026-07-25: 2Technical Details · 2026-07-25: 207-25
Signal classification1 categories
Patch
3100.0%
Referenced assets3 URLs
Full discourse3 posts
  • Infoflowcloud@infoflowcloud
    Patch

    🚨*CVE* CVE-2026-64521 In the Linux kernel, the following vulnerability has been resolved: pinctrl: meson: amlogic-a4: fix deadlock issue Accessing the pinconf-pins sysfs node may deadloc… https://www.cve.org/CVERecord?id=CVE-2026-64521 ----- Traducción: CVE-2026-64521 En … http://infoflow.cloud`

    Post summary

    The CVE-2026‑64521 deadlock vulnerability in the Linux kernel's amlogic‑a4 pinctrl has been resolved, but no exploit or active usage reports are referenced.

    0000032
    95 followersView on X
  • CVE@CVEnew
    Patch

    CVE-2026-64521 In the Linux kernel, the following vulnerability has been resolved: pinctrl: meson: amlogic-a4: fix deadlock issue Accessing the pinconf-pins sysfs node may deadloc… https://www.cve.org/CVERecord?id=CVE-2026-64521

    Post summary

    The CVE-2026-64521 addresses a deadlock issue in the Linux kernel's pinctrl/meson for Amlogic A4; the issue has been fixed, but no exploitation or PoC details are provided.

    00000727
    57.9K followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Patch

    CVE-2026-64521 In the Linux kernel, the following vulnerability has been resolved: pinctrl https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-64521

    Post summary

    The CVE-2026-64521 vulnerability in the Linux kernel’s pinctrl subsystem has been fixed, though no public PoC, exploit code, or detailed technical information is shared.

    00000138
    4.1K followersView on X

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