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openSUSE Leap 15.1: Important openSUSE-SU-2020:0818-1 for Xen Vulnerability

opensuse
Calendar Grey June 16, 2020
Dist Opensuse Esm H88
Ubuntu releases vital security patch for kernel, tackling severe privilege escalation vulnerability CVE-2020-1234 with several enhancements.
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.

Topics%20covered

Topics Covered

security advisory important attack fixes xen openSUSE side channel

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 15.1:

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

--

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2020:0818-1
Rating: important
Affected Products: openSUSE Leap 15.1 le.

Topics%20covered

Topics Covered

security advisory important attack fixes xen openSUSE side channel

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