Detections
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Fedora 21 : xen-4.4.2-6.fc21 (2015-9978)

high Nessus Plugin ID 84379

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Synopsis

The remote Fedora host is missing a security update.

Description

Heap overflow in QEMU PCNET controller, allowing guest->host escape [XSA-135, CVE-2015-3209]. GNTTABOP_swap_grant_ref operation misbehavior [XSA-134, CVE-2015-4163]. vulnerability in the iret hypercall handler [XSA-136, CVE-2015-4164].

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=1225882

http://www.nessus.org/u?1aef9bbc

Plugin Details

Severity: High

ID: 84379

File Name: fedora_2015-9978.nasl

Version: 2.4

Type: local

Agent: unix

Published: 6/25/2015

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: 7.5

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

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: 6/14/2015

Reference Information

CVE: CVE-2015-3209

FEDORA: 2015-9978