Fedora 20 : xen-4.3.1-9.fc20 (2014-2170)

medium Nessus Plugin ID 72539

Synopsis

The remote Fedora host is missing a security update.

Description

three security fixes: integer overflow in several XSM/Flask hypercalls [XSA-84], Off-by-one error in FLASK_AVC_CACHESTAT hypercall [XSA-85], libvchan failure handling malicious ring indexes [XSA-86]

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.

See Also

https://bugzilla.redhat.com/show_bug.cgi?id=1062326

https://bugzilla.redhat.com/show_bug.cgi?id=1062329

https://bugzilla.redhat.com/show_bug.cgi?id=1062331

http://www.nessus.org/u?356ccdee

Plugin Details

Severity: Medium

ID: 72539

File Name: fedora_2014-2170.nasl

Version: 1.6

Type: local

Agent: unix

Published: 2/17/2014

Updated: 1/11/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 5

Vector: CVSS2#AV:A/AC:M/Au:S/C:P/I:N/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: 2/8/2014

Reference Information

CVE: CVE-2014-1891, CVE-2014-1892, CVE-2014-1893, CVE-2014-1894, CVE-2014-1895, CVE-2014-1896

BID: 65414, 65419, 65424

FEDORA: 2014-2170