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[security-announce] openSUSE-SU-2020:0818-1: important: Security update for xen
openSUSE Security Update: Security update for xen
______________________________________________________________________________

Announcement ID: openSUSE-SU-2020:0818-1
Rating: important
References: #1027519 #1157490 #1167007 #1172205
Cross-References: CVE-2020-0543
Affected Products:
openSUSE Leap 15.1
______________________________________________________________________________

An update that solves one vulnerability and has three fixes
is now available.

Description:

This update for xen to version 4.12.3 fixes the following issues:

- CVE-2020-0543: Fixed a side channel attack against special registers
which could have resulted in leaking of read values to cores other than
the one which called it. This attack is known as Special Register Buffer
Data Sampling (SRBDS) or "CrossTalk" (bsc#1172205).
- Added support for new 64bit libxl memory API (bsc#1167007 and
bsc#1157490).

This update was imported from the SUSE:SLE-15-SP1: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 15.1:

zypper in -t patch openSUSE-2020-818=1



Package List:

- openSUSE Leap 15.1 (i586 x86_64):

xen-debugsource-4.12.3_02-lp151.2.18.2
xen-devel-4.12.3_02-lp151.2.18.2
xen-libs-4.12.3_02-lp151.2.18.2
xen-libs-debuginfo-4.12.3_02-lp151.2.18.2
xen-tools-domU-4.12.3_02-lp151.2.18.2
xen-tools-domU-debuginfo-4.12.3_02-lp151.2.18.2

- openSUSE Leap 15.1 (x86_64):

xen-4.12.3_02-lp151.2.18.2
xen-doc-html-4.12.3_02-lp151.2.18.2
xen-libs-32bit-4.12.3_02-lp151.2.18.2
xen-libs-32bit-debuginfo-4.12.3_02-lp151.2.18.2
xen-tools-4.12.3_02-lp151.2.18.2
xen-tools-debuginfo-4.12.3_02-lp151.2.18.2


References:

https://www.suse.com/security/cve/CVE-2020-0543.html
https://bugzilla.suse.com/1027519
https://bugzilla.suse.com/1157490
https://bugzilla.suse.com/1167007
https://bugzilla.suse.com/1172205

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