openSUSE Security Update: Security update for xen
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Announcement ID: openSUSE-SU-2018:2211-1
Rating: moderate
References: #1027519 #1087289 #1095242 #1096224 #1097521
#1097522 #1097523
Cross-References: CVE-2018-11806 CVE-2018-12891 CVE-2018-12892
CVE-2018-12893 CVE-2018-3665
Affected Products:
openSUSE Leap 42.3
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An update that solves 5 vulnerabilities and has two fixes
is now available.

Description:

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).
– CVE-2018-11806: Fix heap buffer overflow while reassembling fragmented
datagrams (bsc#1096224).

Bug fixes:

– bsc#1027519: Add upstream patches from January.
– bsc#1087289: Fix xen scheduler crash.

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-2018-803=1

Package List:

– openSUSE Leap 42.3 (x86_64):

xen-4.9.2_08-25.2
xen-debugsource-4.9.2_08-25.2
xen-devel-4.9.2_08-25.2
xen-doc-html-4.9.2_08-25.2
xen-libs-4.9.2_08-25.2
xen-libs-debuginfo-4.9.2_08-25.2
xen-tools-4.9.2_08-25.2
xen-tools-debuginfo-4.9.2_08-25.2
xen-tools-domU-4.9.2_08-25.2
xen-tools-domU-debuginfo-4.9.2_08-25.2

References:

https://www.suse.com/security/cve/CVE-2018-11806.html
https://www.suse.com/security/cve/CVE-2018-12891.html
https://www.suse.com/security/cve/CVE-2018-12892.html
https://www.suse.com/security/cve/CVE-2018-12893.html
https://www.suse.com/security/cve/CVE-2018-3665.html
https://bugzilla.suse.com/1027519
https://bugzilla.suse.com/1087289
https://bugzilla.suse.com/1095242
https://bugzilla.suse.com/1096224
https://bugzilla.suse.com/1097521
https://bugzilla.suse.com/1097522
https://bugzilla.suse.com/1097523

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