CVE-2026-62432

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CVSS 3.1

7.3 high

EPSS

<1%p16

Published

Jul 28, 2026 (Jul 28, 2026)

Modified

Jul 28, 2026

Description

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.

Weakness: CWE-362
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

NVD CVE.org GitHub PoCs EPSS (0.2%)

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