PT-2016-7211 · Xen+1 · Xen+1

Brian Marcotte · Published 2016-09-21 · Updated 2024-06-15 · CVE-2016-7093

Positive Technologies (AI Summary)

CVSS v3.1

8.2

High

Base vector

AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Xen versions 4.5.3, 4.6.3, and 4.7.x

Description The issue allows local HVM guest OS administrators to overwrite hypervisor memory, which can lead to gaining host OS privileges. This is due to the mishandling of instruction pointer truncation during emulation.

Recommendations For Xen versions 4.5.3, 4.6.3, and 4.7.x, at the moment, there is no information about a newer version that contains a fix for this issue.

Fix

Weakness Enumeration

CWE-264

Related Identifiers

CVE-2016-7093

MGASA-2017-0012

OPENSUSE-SU-2016_2494-1

OPENSUSE-SU-2016_2497-1

OPENSUSE-SU-2024:10196-1

SUSE-SU-2016:2473-1

SUSE-SU-2016:2507-1

SUSE-SU-2016:2533-1

Affected Products

Suse

Xen

References · 271

• http://xenbits.xen.org/xsa/advisory-186.html · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2016:2507-1 · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2016-7093 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-7093 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2016-7093 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2016:2533-1 · Vendor Advisory
• http://xenbits.xen.org/xsa/xsa186-0001-x86-emulate-Correct-boundary-interactions-of-emulate.patch · Vendor Advisory
• https://advisories.mageia.org/MGASA-2017-0012.html · Security Note
• https://osv.dev/vulnerability/MGASA-2017-0012 · Vendor Advisory
• https://security.gentoo.org/glsa/201611-09 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:10196-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2016-7093 · Security Note
• https://osv.dev/vulnerability/CVE-2016-7093 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-7093 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2016:2473-1 · Vendor Advisory