CVE-2022-49962

MEDIUM

5.5

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.15.5

SeveridadeMEDIUM

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

Vetor de ataqueLOCAL

ComplexidadeLOW

Privilegios necessariosLOW

Interacao do usuarioNONE

Publicado6/18/2025

Ultima modificacao11/14/2025

Fontenvd

Avistamentos honeypot0

Produtos afetados

linux:linux_kernel

Fraquezas (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)

Correlacoes IOC

Sem correlacoes registradas

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