7 High
AI Score
Confidence
High
0.007 Low
EPSS
Percentile
80.9%
The shadow-paging feature in Xen through 4.8.x mismanages page references and consequently introduces a race condition, which allows guest OS users to obtain Xen privileges, aka XSA-219.
www.debian.org/security/2017/dsa-3969
www.securityfocus.com/bid/99174
security.gentoo.org/glsa/201708-03
security.gentoo.org/glsa/201710-17
xenbits.xen.org/xsa/advisory-219.html