Fedora 21 : xen-4.4.3-3.fc21 (2015-15946)

high Nessus Plugin ID 86163

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Synopsis

The remote Fedora host is missing a security update.

Description

libxl fails to honour readonly flag on disks with qemu-xen [XSA-142 (possible fix)] ---- update to xen-4.4.3, including Use after free in QEMU/Xen block unplug protocol [XSA-139, CVE-2015-5166], QEMU leak of uninitialized heap memory in rtl8139 device model [XSA-140, CVE-2015-5165]

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: 86163

File Name: fedora_2015-15946.nasl

Version: 2.5

Type: local

Agent: unix

Family: Fedora Local Security Checks

Published: 9/28/2015

Updated: 1/11/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: High

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/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: 9/26/2015

Reference Information

CVE: CVE-2015-5165, CVE-2015-5166, CVE-2015-7311

FEDORA: 2015-15946

Detections

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