PT-2026-64742 · Linux · Linux

CVE-2026-64521 · Publicado 2026-07-25 · Atualizado 2026-07-25

Mitre

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.

Identificadores relacionados

CVE-2026-64521

Produtos afetados

Linux

Referências · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-64521 · Nota de Segurança
• https://git.kernel.org/stable/c/e917713f013423069782ff554935c7a5d4266783 · Nota
• https://git.kernel.org/stable/c/744ac926c0e55267a10b49b5b72582afef4ad49f · Nota
• https://git.kernel.org/stable/c/e72ce029810390eb987a036fb2c8a5da9a23b685 · Nota