Fedora 20 : xen-4.3.1-6.fc20 (2013-23251)

high Nessus Plugin ID 71590

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Synopsis

The remote Fedora host is missing a security update.

Description

Disaggregated domain management security status update, IOMMU TLB flushing may be inadvertently suppressed Lock order reversal between page_alloc_lock and mm_rwlock, Hypercalls exposed to privilege rings 1 and 2 of HVM guests Insufficient TLB flushing in VT-d (iommu) code

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

Solution

Update the affected xen package.

Plugin Details

Severity: High

ID: 71590

File Name: fedora_2013-23251.nasl

Version: 1.5

Type: local

Agent: unix

Family: Fedora Local Security Checks

Published: 12/23/2013

Updated: 1/11/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: High

Base Score: 7.9

Temporal Score: 6.9

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

Vulnerability Information

CPE: p-cpe:/a:fedoraproject:fedora:xen, cpe:/o:fedoraproject:fedora:20

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

Exploit Ease: No known exploits are available

Patch Publication Date: 12/12/2013

Reference Information

CVE: CVE-2013-4553, CVE-2013-4554, CVE-2013-6375, CVE-2013-6400

BID: 63830, 63931, 63933, 64195

FEDORA: 2013-23251

Detections

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