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x86: Incorrect input sanitisation in Viridian hypercalls

🗓️ 21 Oct 2025 12:00:00Reported by Xen ProjectType 
xen
 xen
🔗 xenbits.xen.org👁 8 Views

Xen x86 Viridian hypercalls allow out-of-bounds access, risking DoS on Xen 4.15+ HVM Viridian.

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21 Oct 2025 12:00Current
6.6Medium risk
Vulners AI Score6.6
CVSS 3.17.5
EPSS0.00317
SSVC
8