openSUSE Leap 15.0: 2018:2116-1 Important: Xen DoS Risks
opensuse
July 28, 2018
An update that solves four vulnerabilities and has four 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).
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.
Topics Covered
Patch
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
Package List
- openSUSE Leap 15.0 (i586 x86_64):
xen-debugsource-4.10.1_06-lp150.2.6.1
xen-devel-4.10.1_06-lp150.2.6.1
xen-libs-4.10.1_06-lp150.2.6.1
xen-libs-debuginfo-4.10.1_06-lp150.2.6.1
xen-tools-domU-4.10.1_06-lp150.2.6.1
xen-tools-domU-debuginfo-4.10.1_06-lp150.2.6.1
- openSUSE Leap 15.0 (x86_64):
xen-4.10.1_06-lp150.2.6.1
xen-doc-html-4.10.1_06-lp150.2.6.1
xen-libs-32bit-4.10.1_06-lp150.2.6.1
xen-libs-32bit-debuginfo-4.10.1_06-lp150.2.6.1
xen-tools-4.10.1_06-lp150.2.6.1
xen-tools-debuginfo-4.10.1_06-lp150.2.6.1
References
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/1079730
https://bugzilla.suse.com/1087289
https://bugzilla.suse.com/1095242
https://bugzilla.suse.com/1097521
https://bugzilla.suse.com/1097522
https://bugzilla.suse.com/1097523
https://bugzilla.suse.com/1098403
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Severity
important
Lowest
Low
Medium
High
Critical
Announcement ID: openSUSE-SU-2018:2116-1
Rating: important
Affected Products:
openSUSE Leap 15.0
le.
Topics Covered
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