Fedora 20 : xen-4.3.4-6.fc20 (2015-9965)

high Nessus Plugin ID 84378
New! Plugin Severity Now Using CVSS v3

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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] (#1230537) GNTTABOP_swap_grant_ref operation misbehavior [XSA-134, CVE-2015-4163] vulnerability in the iret hypercall handler [XSA-136, CVE-2015-4164] Potential unintended writes to host MSI message data field via qemu [XSA-128, CVE-2015-4103], PCI MSI mask bits inadvertently exposed to guests [XSA-129, CVE-2015-4104], Guest triggerable qemu MSI-X pass-through error messages [XSA-130, CVE-2015-4105], Unmediated PCI register access in qemu [XSA-131, CVE-2015-4106]

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=1223846

https://bugzilla.redhat.com/show_bug.cgi?id=1223851

https://bugzilla.redhat.com/show_bug.cgi?id=1223853

https://bugzilla.redhat.com/show_bug.cgi?id=1223859

https://bugzilla.redhat.com/show_bug.cgi?id=1225882

http://www.nessus.org/u?d4225fea

Plugin Details

Severity: High

ID: 84378

File Name: fedora_2015-9965.nasl

Version: 2.5

Type: local

Agent: unix

Published: 6/25/2015

Updated: 1/11/2021

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.8

Vector: AV:N/AC:L/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: 6/14/2015

Reference Information

CVE: CVE-2015-3209, CVE-2015-4103, CVE-2015-4104, CVE-2015-4105, CVE-2015-4106

FEDORA: 2015-9965