Unrated severityNVD Advisory· Published Jul 29, 2026
Debian xen: The EVTCHNOP_expand_array hypercall checks for whether FIFO event channels are e…
CVE-2026-62432
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.
Affected products
1Patches
Vulnerability mechanics
News mentions
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