PT-2017-2404 · Xen+2 · Xen+2

George Dunlap · Published 2016-11-25 · Updated 2024-06-15 · CVE-2016-9383

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

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

Description The issue allows local x86 guest OS users to modify arbitrary memory, obtain sensitive information, cause a denial of service (host crash), or execute arbitrary code on the host. This is due to broken emulation of bit test instructions when Xen runs on a 64-bit hypervisor. The vulnerability can be exploited by leveraging insufficient input validation.

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

DoS

RCE

Weakness Enumeration

CWE-20

Related Identifiers

ALT-PU-2016-2364

BDU:2017-01607

CVE-2016-9383

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 · 183

• http://xenbits.xen.org/xsa/advisory-195.html · Vendor Advisory
• 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/DSA-3729-1 · Vendor Advisory
• https://support.citrix.com/article/CTX218775 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2016:3273-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2016-9383 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2016-9383 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2017-0012.html · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2016-9383 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2016:3174-1 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2017-0012 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-9383 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2016:3083-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2016-9383 · Vendor Advisory