CVE-2026-64521: Linux kernel · pinctrl: meson: amlogic-a4: fix deadlock issue
Affects Linux kernelSource GCVE Database
Not known to be exploited.
Data as of 3 Nov 2026, 18:43 UTC
Rated Medium by Threat Radar's AI analysis · No CVSS score from NVD or the CNA
Thin evidence
One scorer or noneExploitation evidence
Disclosed: evidence found.
CVE published 25 Jul 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 3 Nov 2026.
What to do
AI-suggested
A fix has been implemented in the Linux kernel source code by replacing the locking function with a non-locking variant to prevent the deadlock. Users should update to the fixed kernel version once it is released. No other mitigation steps are indicated.
Description
A deadlock vulnerability in the Linux kernel's pinctrl driver for the meson amlogic-a4 platform has been fixed. The issue occurs when accessing the pinconf-pins sysfs node, where a mutex is recursively acquired, causing a deadlock. The fix involves replacing the problematic function call with a non-locking variant to prevent the deadlock.