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[security-announce] openSUSE-SU-2019:2506-1: important: Security update for xen
openSUSE Security Update: Security update for xen
______________________________________________________________________________

Announcement ID: openSUSE-SU-2019:2506-1
Rating: important
References: #1152497 #1154448 #1154456 #1154458 #1154461
#1155945
Cross-References: CVE-2018-12207 CVE-2019-11135 CVE-2019-18420
CVE-2019-18421 CVE-2019-18424 CVE-2019-18425

Affected Products:
openSUSE Leap 15.0
______________________________________________________________________________

An update that fixes 6 vulnerabilities is now available.

Description:

This update for xen fixes the following issues:

- CVE-2018-12207: Untrusted virtual machines on Intel CPUs could exploit a
race condition in the Instruction Fetch Unit of the Intel CPU to cause a
Machine Exception during Page Size Change, causing the CPU core to be
non-functional. (bsc#1155945)
- CVE-2019-11135: Aborting an asynchronous TSX operation on Intel CPUs
with Transactional Memory support could be used to facilitate
sidechannel information leaks out of microarchitectural buffers, similar
to the previously described "Microarchitectural Data Sampling" attack.
(bsc#1152497).
- CVE-2019-18425: 32-bit PV guest user mode could elevate its privileges
to that
of the guest kernel. (bsc#1154456).
- CVE-2019-18421: A malicious PV guest administrator may have been able to
escalate their privilege to that of the host. (bsc#1154458).
- CVE-2019-18420: Malicious x86 PV guests may have caused a hypervisor
crash, resulting in a Denial of Service (Dos). (bsc#1154448)

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-2019-2506=1



Package List:

- openSUSE Leap 15.0 (i586 x86_64):

xen-debugsource-4.10.4_06-lp150.2.25.1
xen-devel-4.10.4_06-lp150.2.25.1
xen-libs-4.10.4_06-lp150.2.25.1
xen-libs-debuginfo-4.10.4_06-lp150.2.25.1
xen-tools-domU-4.10.4_06-lp150.2.25.1
xen-tools-domU-debuginfo-4.10.4_06-lp150.2.25.1

- openSUSE Leap 15.0 (x86_64):

xen-4.10.4_06-lp150.2.25.1
xen-doc-html-4.10.4_06-lp150.2.25.1
xen-libs-32bit-4.10.4_06-lp150.2.25.1
xen-libs-32bit-debuginfo-4.10.4_06-lp150.2.25.1
xen-tools-4.10.4_06-lp150.2.25.1
xen-tools-debuginfo-4.10.4_06-lp150.2.25.1


References:

https://www.suse.com/security/cve/CVE-2018-12207.html
https://www.suse.com/security/cve/CVE-2019-11135.html
https://www.suse.com/security/cve/CVE-2019-18420.html
https://www.suse.com/security/cve/CVE-2019-18421.html
https://www.suse.com/security/cve/CVE-2019-18424.html
https://www.suse.com/security/cve/CVE-2019-18425.html
https://bugzilla.suse.com/1152497
https://bugzilla.suse.com/1154448
https://bugzilla.suse.com/1154456
https://bugzilla.suse.com/1154458
https://bugzilla.suse.com/1154461
https://bugzilla.suse.com/1155945

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