The EVTCHNOP_expand_array hypercall checks for whether FIFO event channels are enabled, but without holding the correct lock. (CVE-2026-62432)
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.
The EVTCHNOP_expand_array hypercall checks for whether FIFO event channels are enabled, but without holding the correct lock. (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.
CVSS v3.1
Weaknesses
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-92f9-q54w-fxm8
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-62432"]
- Ecosystems
- []
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
Threat ID: 6a6941e49c2644c7f86c5cf3
Added to database: 07/28/2026, 23:57:24 UTC
Last updated: 07/29/2026, 01:55:56 UTC
Views: 3
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