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

High Nessus Plugin ID 84378

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: 2.4

Type: local

Agent: unix

Published: 2015/06/25

Updated: 2020/06/04

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.8

Vector: CVSS2#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: 2015/06/14

Reference Information

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

FEDORA: 2015-9965