6.8 Medium
AI Score
Confidence
High
0.003 Low
EPSS
Percentile
65.2%
Xen through 4.8.x does not validate a vCPU array index upon the sending of an SGI, which allows guest OS users to cause a denial of service (hypervisor crash), aka XSA-225.
www.securityfocus.com/bid/99160
www.securitytracker.com/id/1038735
security.gentoo.org/glsa/201708-03
xenbits.xen.org/xsa/advisory-225.html