Detections
Analytics

Fedora 24 : xen (2016-7d2c67d1f5)

high Nessus Plugin ID 93491

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Synopsis

The remote Fedora host is missing a security update.

Description

x86: Disallow L3 recursive pagetable for 32-bit PV guests [XSA-185, CVE-2016-7092] (#1374470) x86: Mishandling of instruction pointer truncation during emulation [XSA-186, CVE-2016-7093] (#1374471) x86 HVM: Overflow of sh_ctxt->seg_reg[] [XSA-187, CVE-2016-7094] (#1374473)

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected xen package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2016-7d2c67d1f5

Plugin Details

Severity: High

ID: 93491

File Name: fedora_2016-7d2c67d1f5.nasl

Version: 2.11

Type: local

Agent: unix

Published: 9/15/2016

Updated: 1/11/2021

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.5

CVSS v2

Risk Factor: High

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS v3

Risk Factor: High

Base Score: 8.2

Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Vulnerability Information

CPE: p-cpe:/a:fedoraproject:fedora:xen, cpe:/o:fedoraproject:fedora:24

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list

Patch Publication Date: 9/13/2016

Vulnerability Publication Date: 9/21/2016

Reference Information

CVE: CVE-2016-7092, CVE-2016-7093, CVE-2016-7094

FEDORA: 2016-7d2c67d1f5

IAVB: 2016-B-0140-S