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Test ID:1.3.6.1.4.1.25623.1.0.851969
Category:SuSE Local Security Checks
Title:SuSE Update for xen openSUSE-SU-2018:2116-1 (xen)
Summary:The remote host is missing an update for the 'xen'; package(s) announced via the openSUSE-SU-2018:2116_1 advisory.
Description:Summary:
The remote host is missing an update for the 'xen'
package(s) announced via the openSUSE-SU-2018:2116_1 advisory.

Vulnerability Insight:
This update for xen fixes the following issues:

Security issues fixed:

- CVE-2018-3665: Fix Lazy FP Save/Restore issue (XSA-267) (bsc#1095242).

- CVE-2018-12891: Fix possible Denial of Service (DoS) via certain PV MMU
operations that affect the entire host (XSA-264) (bsc#1097521).

- CVE-2018-12892: Fix libxl to honour the readonly flag on HVM emulated
SCSI disks (XSA-266) (bsc#1097523).

- CVE-2018-12893: Fix crash/Denial of Service (DoS) via safety check
(XSA-265) (bsc#1097522).

Bug fixes:

- bsc#1027519: Add upstream patches from January.

- bsc#1098403: Fix regression introduced by changes for bsc#1079730. A PV
domU without qcow2 and/or vfb has no qemu attached. Ignore QMP errors
for PV domUs to handle PV domUs with and without an attached qemu-xen.

- bsc#1087289: Fix xen scheduler crash.

This update was imported from the SUSE:SLE-15:Update update project.


Patch Instructions:

To install this openSUSE Security Update use the SUSE recommended
installation methods
like YaST online_update or 'zypper patch'.

Alternatively you can run the command listed for your product:

- openSUSE Leap 15.0:

zypper in -t patch openSUSE-2018-766=1

Affected Software/OS:
xen on openSUSE Leap 15.0.

Solution:
Please install the updated package(s).

CVSS Score:
6.5

CVSS Vector:
AV:N/AC:L/Au:S/C:P/I:P/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2018-3665
https://lists.debian.org/debian-lts-announce/2018/07/msg00015.html
https://lists.debian.org/debian-lts-announce/2018/07/msg00016.html
Debian Security Information: DSA-4232 (Google Search)
https://www.debian.org/security/2018/dsa-4232
FreeBSD Security Advisory: FreeBSD-SA-18:07
https://security.FreeBSD.org/advisories/FreeBSD-SA-18:07.lazyfpu.asc
RedHat Security Advisories: RHSA-2018:1852
https://access.redhat.com/errata/RHSA-2018:1852
RedHat Security Advisories: RHSA-2018:1944
https://access.redhat.com/errata/RHSA-2018:1944
RedHat Security Advisories: RHSA-2018:2164
https://access.redhat.com/errata/RHSA-2018:2164
RedHat Security Advisories: RHSA-2018:2165
https://access.redhat.com/errata/RHSA-2018:2165
https://usn.ubuntu.com/3696-1/
https://usn.ubuntu.com/3696-2/
https://usn.ubuntu.com/3698-2/
https://usn.ubuntu.com/3698-1/
BugTraq ID: 104460
http://www.securityfocus.com/bid/104460
http://www.securitytracker.com/id/1041124
http://www.securitytracker.com/id/1041125
CopyrightCopyright (C) 2018 Greenbone Networks GmbH

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