cpe:/o:xen:xen:4.9.0 CVE-2017-15595 2017-10-18T04:29:00.577-04:00 2018-10-30T06:29:04.970-04:00 7.2 LOCAL LOW NONE COMPLETE COMPLETE COMPLETE http://nvd.nist.gov EXPLOIT-DB 43014 DEBIAN DSA-4050 GENTOO GLSA-201801-14 MLIST [debian-lts-announce] 20171120 [SECURITY] [DLA 1181-1] xen security update MLIST [debian-lts-announce] 20181030 [SECURITY] [DLA 1559-1] xen security update CONFIRM https://support.citrix.com/article/CTX228867 CONFIRM https://xenbits.xen.org/xsa/advisory-240.html An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to cause a denial of service (unbounded recursion, stack consumption, and hypervisor crash) or possibly gain privileges via crafted page-table stacking.