Fedora 21 : xen-4.4.2-2.fc21 (2015-5208)

High Nessus Plugin ID 82729

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-4.4.2

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?252db109

Plugin Details

Severity: High

ID: 82729

File Name: fedora_2015-5208.nasl

Version: Revision: 1.2

Type: local

Agent: unix

Published: 2015/04/13

Updated: 2015/10/19

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.1

Vector: CVSS2#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:21

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

Patch Publication Date: 2015/04/01

Reference Information

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

FEDORA: 2015-5208