CVE-2016-7093

EUVD-2016-7973
Xen 4.5.3, 4.6.3, and 4.7.x allow local HVM guest OS administrators to overwrite hypervisor memory and consequently gain host OS privileges by leveraging mishandling of instruction pointer truncation during emulation.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.2 HIGH
LOCAL
LOW
HIGH
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 17%
Affected Products (NVD)
VendorProductVersion
xenxen
4.5.3
xenxen
4.6.3
xenxen
4.7.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
xen
bookworm
4.17.3+10-g091466ba55-1~deb12u1
fixed
bullseye
4.14.6-1
fixed
bullseye (security)
4.14.5+94-ge49571868d-1
fixed
sid
4.17.3+36-g54dacb5c02-1
fixed
trixie
4.17.3+36-g54dacb5c02-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
xen
precise
not-affected
trusty
dne
xenial
not-affected
Common Weakness Enumeration
References
http://support.citrix.com/article/CTX216071
http://www.securityfocus.com/bid/92865
http://www.securitytracker.com/id/1036752
http://xenbits.xen.org/xsa/advisory-186.html
http://xenbits.xen.org/xsa/xsa186-0001-x86-emulate-Correct-boundary-interactions-of-emulate.patch
https://security.gentoo.org/glsa/201611-09
http://support.citrix.com/article/CTX216071
http://www.securityfocus.com/bid/92865
http://www.securitytracker.com/id/1036752
http://xenbits.xen.org/xsa/advisory-186.html
http://xenbits.xen.org/xsa/xsa186-0001-x86-emulate-Correct-boundary-interactions-of-emulate.patch
https://security.gentoo.org/glsa/201611-09