openSUSE Security Update : xen (openSUSE-2015-893)

High Nessus Plugin ID 87443

Synopsis

The remote openSUSE host is missing a security update.

Description

This update fixes the following security issues :

- bsc#947165 - CVE-2015-7311: xen: libxl fails to honour readonly flag on disks with qemu-xen (xsa-142)

- bsc#954405 - CVE-2015-8104: Xen: guest to host DoS by triggering an infinite loop in microcode via #DB exception

- bsc#954018 - CVE-2015-5307: xen: x86: CPU lockup during fault delivery (XSA-156)

- bsc#950704 - CVE-2015-7970: xen: x86: Long latency populate-on-demand operation is not preemptible (XSA-150)

Solution

Update the affected xen packages.

See Also

https://bugzilla.opensuse.org/show_bug.cgi?id=947165

https://bugzilla.opensuse.org/show_bug.cgi?id=950704

https://bugzilla.opensuse.org/show_bug.cgi?id=954018

https://bugzilla.opensuse.org/show_bug.cgi?id=954405

Plugin Details

Severity: High

ID: 87443

File Name: openSUSE-2015-893.nasl

Version: Revision: 2.1

Type: local

Agent: unix

Published: 2015/12/17

Updated: 2015/12/17

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.2

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

Vulnerability Information

CPE: p-cpe:/a:novell:opensuse:xen, p-cpe:/a:novell:opensuse:xen-debugsource, p-cpe:/a:novell:opensuse:xen-devel, p-cpe:/a:novell:opensuse:xen-doc-html, p-cpe:/a:novell:opensuse:xen-kmp-default, p-cpe:/a:novell:opensuse:xen-kmp-default-debuginfo, p-cpe:/a:novell:opensuse:xen-kmp-desktop, p-cpe:/a:novell:opensuse:xen-kmp-desktop-debuginfo, p-cpe:/a:novell:opensuse:xen-libs, p-cpe:/a:novell:opensuse:xen-libs-32bit, p-cpe:/a:novell:opensuse:xen-libs-debuginfo, p-cpe:/a:novell:opensuse:xen-libs-debuginfo-32bit, p-cpe:/a:novell:opensuse:xen-tools, p-cpe:/a:novell:opensuse:xen-tools-debuginfo, p-cpe:/a:novell:opensuse:xen-tools-domU, p-cpe:/a:novell:opensuse:xen-tools-domU-debuginfo, cpe:/o:novell:opensuse:13.2

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

Patch Publication Date: 2015/12/10

Reference Information

CVE: CVE-2015-5307, CVE-2015-7311, CVE-2015-7835, CVE-2015-7970, CVE-2015-8104