CVE-2022-49962

MEDIUM

5.5

Descripcion

In the Linux kernel, the following vulnerability has been resolved: xhci: Fix null pointer dereference in remove if xHC has only one roothub The remove path in xhci platform driver tries to remove and put both main and shared hcds even if only a main hcd exists (one roothub) This causes a null pointer dereference in reboot for those controllers. Check that the shared_hcd exists before trying to remove it.

Detalles CVE

Puntuacion CVSS v3.15.5

SeveridadMEDIUM

Vector CVSSCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Vector de ataqueLOCAL

ComplejidadLOW

Privilegios requeridosLOW

Interaccion usuarioNONE

Publicado6/18/2025

Ultima modificacion11/14/2025

Fuentenvd

Avistamientos honeypot0

Productos afectados

linux:linux_kernel

Debilidades (CWE)

CWE-476

Referencias

https://git.kernel.org/stable/c/4a593a62a9e3a25ab4bc37f612e4edec144f7f43(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/7081b2f34ff291ada012bd6abacaf7d51c4cf73f(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

Correlaciones IOC

Sin correlaciones registradas

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