FreeBSD VuXML: Documenting security issues in FreeBSD and the FreeBSD Ports Collection

xen-kernel -- arm: vgic-v2: GICD_SGIR is not properly emulated

Affected packages
4.5	<=	xen-kernel	<	4.5.0_3

Details

VuXML ID	785c86b1-27d6-11e5-a4a5-002590263bf5
Discovery	2015-02-12
Entry	2015-07-11

The Xen Project reports:

When decoding a guest write to a specific register in the virtual interrupt controller Xen would treat an invalid value as a critical error and crash the host.

By writing an invalid value to the GICD.SGIR register a guest can crash the host, resulting in a Denial of Service attack.

[source]

References

CVE Name	CVE-2015-0268
URL	http://xenbits.xen.org/xsa/advisory-117.html