CVE-2015-0268: Xen

Medium severity, CVSS 4.9. EPSS: 0.4% chance of exploitation in the next 30 days.

The vgic_v2_to_sgi function in arch/arm/vgic-v2.c in Xen 4.5.x, when running on ARM hardware with general interrupt controller (GIC) version 2, allows local guest users to cause a denial of service (host crash) by writing an invalid value to the GICD.SGIR register.

Affected products

• Xen Xen: version 4.5.0 only

Published 2015-02-16. Last modified 2026-06-17.