0.001 Low
EPSS
Percentile
26.7%
An issue was discovered in Xen through 4.9.x allowing guest OS users to cause a denial of service (host OS crash) or gain host OS privileges by leveraging an incorrect mask for reference-count overflow checking in shadow mode.
xenbits.xen.org/xsa/advisory-249.html
bugzilla.redhat.com/show_bug.cgi?id=1518657