PT-2017-10103 · Xen+2 · Xen+2

Andrew Cooper · Published 2016-11-25 · Updated 2024-06-15 · CVE-2016-9386

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Xen (affected versions not specified)

Description The issue is related to the x86 emulator in Xen, which does not properly handle x86 NULL segments when accessing memory. This could potentially allow local HVM guest users to gain privileges through specific vectors involving unexpected base/limit values.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-264

Related Identifiers

ALT-PU-2016-2364

CVE-2016-9386

DLA-720-1

DSA-3729-1

MGASA-2017-0012

OPENSUSE-SU-2016_3134-1

OPENSUSE-SU-2017_0007-1

OPENSUSE-SU-2017_0008-1

OPENSUSE-SU-2024:11520-1

SUSE-SU-2016:3044-1

SUSE-SU-2016:3067-1

SUSE-SU-2016:3083-1

SUSE-SU-2016:3156-1

SUSE-SU-2016:3174-1

SUSE-SU-2016:3273-1

Affected Products

Alt Linux

Suse

Xen

References · 182

• https://osv.dev/vulnerability/openSUSE-SU-2024:11520-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2016:3067-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2016-9386 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-9386 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-3729-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2016-9386 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2016-9386 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2016:3273-1 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2017-0012.html · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2016:3174-1 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2017-0012 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2016:3083-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2016-9386 · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2016-9386 · Vendor Advisory
• https://support.citrix.com/article/CTX218775 · Patch