openSUSE Security Update: Security update for xen
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Announcement ID: openSUSE-SU-2018:4111-1
Rating: important
References: #1027519 #1108940 #1114405 #1114423 #1115040
#1115045 #1115047
Cross-References: CVE-2018-18849 CVE-2018-18883 CVE-2018-19961
CVE-2018-19962 CVE-2018-19965 CVE-2018-19966

Affected Products:
openSUSE Leap 42.3
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An update that solves 6 vulnerabilities and has one errata
is now available.

Description:

This update for xen fixes the following issues:

Security issues fixed:

– CVE-2018-18849: Fixed an out of bounds memory access issue was found in
the LSI53C895A SCSI Host Bus Adapter emulation while writing a message
in lsi_do_msgin (bsc#1114423).
– CVE-2018-18883: Fixed a NULL pointer dereference that could have been
triggered by nested VT-x that where not properly restricted
(XSA-278)(bsc#1114405).
– CVE-2018-19965: Fixed denial of service issue from attempting to use
INVPCID with a non-canonical addresses (XSA-279)(bsc#1115045).
– CVE-2018-19966: Fixed issue introduced by XSA-240 that could have caused
conflicts with shadow paging (XSA-280)(bsc#1115047).
– CVE-2018-19961 CVE-2018-19962: Fixed insufficient TLB flushing /
improper large page mappings with AMD IOMMUs (XSA-275)(bsc#1115040).

Non-security issues fixed:

– Added upstream bug fixes (bsc#1027519).

This update was imported from the SUSE:SLE-12-SP3: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 42.3:

zypper in -t patch openSUSE-2018-1530=1

Package List:

– openSUSE Leap 42.3 (x86_64):

xen-4.9.3_03-34.1
xen-debugsource-4.9.3_03-34.1
xen-devel-4.9.3_03-34.1
xen-doc-html-4.9.3_03-34.1
xen-libs-4.9.3_03-34.1
xen-libs-debuginfo-4.9.3_03-34.1
xen-tools-4.9.3_03-34.1
xen-tools-debuginfo-4.9.3_03-34.1
xen-tools-domU-4.9.3_03-34.1
xen-tools-domU-debuginfo-4.9.3_03-34.1

References:

https://www.suse.com/security/cve/CVE-2018-18849.html
https://www.suse.com/security/cve/CVE-2018-18883.html
https://www.suse.com/security/cve/CVE-2018-19961.html
https://www.suse.com/security/cve/CVE-2018-19962.html
https://www.suse.com/security/cve/CVE-2018-19965.html
https://www.suse.com/security/cve/CVE-2018-19966.html
https://bugzilla.suse.com/1027519
https://bugzilla.suse.com/1108940
https://bugzilla.suse.com/1114405
https://bugzilla.suse.com/1114423
https://bugzilla.suse.com/1115040
https://bugzilla.suse.com/1115045
https://bugzilla.suse.com/1115047

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