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[security-announce] openSUSE-SU-2017:3193-1: important: Security update for xen
openSUSE Security Update: Security update for xen
______________________________________________________________________________

Announcement ID: openSUSE-SU-2017:3193-1
Rating: important
References: #1027519 #1055047 #1061075 #1063123 #1068187
#1068191
Cross-References: CVE-2017-15289 CVE-2017-15597
Affected Products:
openSUSE Leap 42.3
______________________________________________________________________________

An update that solves two vulnerabilities and has four
fixes is now available.

Description:

This update for xen to version 4.9.1 (bsc#1027519) fixes several issues.

This new feature was added:

- Support migration of HVM domains larger than 1 TB

These security issues were fixed:

- bsc#1068187: Failure to recognize errors in the Populate on Demand (PoD)
code allowed for DoS (XSA-246)
- bsc#1068191: Missing p2m error checking in PoD code allowed unprivileged
guests to retain a writable mapping of freed memory leading to
information leaks, privilege escalation or DoS (XSA-247).
- CVE-2017-15289: The mode4and5 write functions allowed local OS guest
privileged users to cause a denial of service (out-of-bounds write
access and Qemu process crash) via vectors related to dst calculation
(bsc#1063123)
- CVE-2017-15597: A grant copy operation being done on a grant of a dying
domain allowed a malicious guest administrator to corrupt hypervisor
memory, allowing for DoS or potentially privilege escalation and
information leaks (bsc#1061075).

This non-security issue was fixed:

- bsc#1055047: Fixed --initrd-inject option in virt-install

This update was imported from the SUSE:SLE-12-SP3:Update update project.


Patch Instructions:

To install this openSUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product:

- openSUSE Leap 42.3:

zypper in -t patch openSUSE-2017-1321=1

To bring your system up-to-date, use "zypper patch".


Package List:

- openSUSE Leap 42.3 (x86_64):

xen-4.9.1_02-13.2
xen-debugsource-4.9.1_02-13.2
xen-devel-4.9.1_02-13.2
xen-doc-html-4.9.1_02-13.2
xen-libs-4.9.1_02-13.2
xen-libs-debuginfo-4.9.1_02-13.2
xen-tools-4.9.1_02-13.2
xen-tools-debuginfo-4.9.1_02-13.2
xen-tools-domU-4.9.1_02-13.2
xen-tools-domU-debuginfo-4.9.1_02-13.2


References:

https://www.suse.com/security/cve/CVE-2017-15289.html
https://www.suse.com/security/cve/CVE-2017-15597.html
https://bugzilla.suse.com/1027519
https://bugzilla.suse.com/1055047
https://bugzilla.suse.com/1061075
https://bugzilla.suse.com/1063123
https://bugzilla.suse.com/1068187
https://bugzilla.suse.com/1068191

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