0.012 Low
EPSS
Percentile
85.5%
The grant-table feature in Xen through 4.8.x provides false mapping information in certain cases of concurrent unmap calls, which allows backend attackers to obtain sensitive information or gain privileges, aka XSA-218 bug 1.
xenbits.xen.org/xsa/advisory-218.html
bugzilla.redhat.com/show_bug.cgi?id=1458872