CVEvulnerability
CVE-2026-62432
7.3 HIGH
Official page ↗
- Status
- Deferred
- Published
- 2026-07-28
- Last modified
- 2026-07-28
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 7.3 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- Weaknesses
- CWE-362
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.
Related
Weakness · CWE (1)
- CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization weakness
References
- https://xenbits.xenproject.org/xsa/advisory-505.html xenbits.xenproject.org
- http://www.openwall.com/lists/oss-security/2026/07/28/21 www.openwall.com
- http://xenbits.xen.org/xsa/advisory-505.html xenbits.xen.org