[CVE-2026-62432] The EVTCHNOP_expand_array hypercall checks for whether FIFO event channels are enabled, but without …

Descripción técnica

The EVTCHNOP_expand_array hypercall checks for whether FIFO event channels are enabled, but without holding the correct lock. It can race with EVTCHNOP_reset, resulting in dereferencing a NULL pointer.

Puntuación CVSS

Score: 7.3/10 — Severidad: HIGH — Estado NIST: Deferred

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Debilidades (CWE)

CWE-362

Fuente oficial

Publicado en NIST NVD.