CVE-2016-7094

Severity: medium (CVSS 4.1 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-09-21 · updated 2026-06-17
Weakness: CWE-119

Description

Buffer overflow in Xen 4.7.x and earlier allows local x86 HVM guest OS administrators on guests running with shadow paging to cause a denial of service via a pagetable update.

Affected products

xen: through 4.7.0

References

http://support.citrix.com/article/CTX216071
http://www.debian.org/security/2016/dsa-3663
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
http://www.securityfocus.com/bid/92864
http://www.securitytracker.com/id/1036753
http://xenbits.xen.org/xsa/advisory-187.html
http://xenbits.xen.org/xsa/xsa187-0001-x86-shadow-Avoid-overflowing-sh_ctxt-seg_reg.patch
https://security.gentoo.org/glsa/201611-09
http://support.citrix.com/article/CTX216071
http://www.debian.org/security/2016/dsa-3663
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
http://www.securityfocus.com/bid/92864

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