Fedora 20 : xen-4.3.4-2.fc20 (2015-5402)

high Nessus Plugin ID 82730

Synopsis

The remote Fedora host is missing a security update.

Description

Long latency MMIO mapping operations are not preemptible [XSA-125, CVE-2015-2752] Unmediated PCI command register access in qemu [XSA-126, CVE-2015-2756] Certain domctl operations may be abused to lock up the host [XSA-127, CVE-2015-2751] update to xen-4.3.4

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=1203732

https://bugzilla.redhat.com/show_bug.cgi?id=1203737

https://bugzilla.redhat.com/show_bug.cgi?id=1203745

http://www.nessus.org/u?bf46c9da

Plugin Details

Severity: High

ID: 82730

File Name: fedora_2015-5402.nasl

Version: 1.4

Type: local

Agent: unix

Published: 4/13/2015

Updated: 1/11/2021

Supported Sensors: Frictionless Assessment Agent, Nessus Agent

Risk Information

VPR

Risk Factor: Low

Score: 3.7

CVSS v2

Risk Factor: High

Base Score: 7.1

Vector: AV:N/AC:M/Au:N/C:N/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

Patch Publication Date: 4/2/2015

Reference Information

CVE: CVE-2015-2751, CVE-2015-2752, CVE-2015-2756

FEDORA: 2015-5402