CVE Watch4 ago 2026

CVE-2024-39292

In the Linux kernel, the following vulnerability has been resolved: um: Add winch to winch_handlers before registering winch IRQ Registeri

CVSS

7.8

Alto

EPSS

0.2%

p15

KEV

—

Exploit Today

0-100

Publicado: 24 jun 2024 · Última mod.: 4 ago 2026 · CWE-415

EPSS · 30d

0.2%EPSS · 30 días0.2%

2026-07-302026-08-26

Descripción técnica

In the Linux kernel, the following vulnerability has been resolved: um: Add winch to winch_handlers before registering winch IRQ Registering a winch IRQ is racy, an interrupt may occur before the winch is added to the winch_handlers list. If that happens, register_winch_irq() adds to that list a winch that is scheduled to be (or has already been) freed, causing a panic later in winch_cleanup(). Avoid the race by adding the winch to the winch_handlers list before registering the IRQ, and rolling back if um_request_irq() fails.

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