CVE-2026-5164

MEDIUM

6.7

Descricao

A flaw was found in virtio-win. The `RhelDoUnMap()` function does not properly validate the number of descriptors provided by a user during an unmap request. A local user could exploit this input validation vulnerability by supplying an excessive number of descriptors, leading to a buffer overrun. This can cause a system crash, resulting in a Denial of Service (DoS).

Detalhes CVE

Pontuacao CVSS v3.16.7

SeveridadeMEDIUM

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

Vetor de ataqueLOCAL

ComplexidadeLOW

Privilegios necessariosHIGH

Interacao do usuarioNONE

Publicado3/30/2026

Ultima modificacao4/1/2026

Fontenvd

Avistamentos honeypot0

Fraquezas (CWE)

CWE-120

Referencias

https://access.redhat.com/security/cve/CVE-2026-5164(secalert@redhat.com)

https://bugzilla.redhat.com/show_bug.cgi?id=2453014(secalert@redhat.com)

https://github.com/virtio-win/kvm-guest-drivers-windows/pull/1504(secalert@redhat.com)

Correlacoes IOC

Sem correlacoes registradas

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