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AUSCERT External Security Bulletin Redistribution
ESB-2018.2502
Security update for xen
23 August 2018
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: xen
Publisher: SUSE
Operating System: SUSE
Impact/Access: Access Privileged Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2018-3646
Reference: ESB-2018.2487
ESB-2018.2445.2
ESB-2018.2436
ESB-2018.2404
Original Bulletin:
https://www.suse.com/support/update/announcement/2018/suse-su-20182480-1.html
https://www.suse.com/support/update/announcement/2018/suse-su-20182482-1.html
Comment: This bulletin contains two (2) security advisories.
- --------------------------BEGIN INCLUDED TEXT--------------------
SUSE Security Update: Security update for xen
______________________________________________________________________________
Announcement ID: SUSE-SU-2018:2480-1
Rating: important
References: #1027519 #1091107
Cross-References: CVE-2018-3646
Affected Products:
SUSE Linux Enterprise Server for SAP 12-SP1
SUSE Linux Enterprise Server 12-SP1-LTSS
______________________________________________________________________________
An update that solves one vulnerability and has one errata
is now available.
Description:
This update for xen fixes the following security issue:
- CVE-2018-3646: Systems with microprocessors utilizing speculative
execution and address translations may have allowed unauthorized
disclosure of information residing in the L1 data cache to an attacker
with local user access with guest OS privilege via a terminal page fault
and a side-channel analysis (bsc#1091107, bsc#1027519).
Patch Instructions:
To install this SUSE 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:
- SUSE Linux Enterprise Server for SAP 12-SP1:
zypper in -t patch SUSE-SLE-SAP-12-SP1-2018-1743=1
- SUSE Linux Enterprise Server 12-SP1-LTSS:
zypper in -t patch SUSE-SLE-SERVER-12-SP1-2018-1743=1
Package List:
- SUSE Linux Enterprise Server for SAP 12-SP1 (x86_64):
xen-4.5.5_26-22.55.2
xen-debugsource-4.5.5_26-22.55.2
xen-doc-html-4.5.5_26-22.55.2
xen-kmp-default-4.5.5_26_k3.12.74_60.64.99-22.55.2
xen-kmp-default-debuginfo-4.5.5_26_k3.12.74_60.64.99-22.55.2
xen-libs-32bit-4.5.5_26-22.55.2
xen-libs-4.5.5_26-22.55.2
xen-libs-debuginfo-32bit-4.5.5_26-22.55.2
xen-libs-debuginfo-4.5.5_26-22.55.2
xen-tools-4.5.5_26-22.55.2
xen-tools-debuginfo-4.5.5_26-22.55.2
xen-tools-domU-4.5.5_26-22.55.2
xen-tools-domU-debuginfo-4.5.5_26-22.55.2
- SUSE Linux Enterprise Server 12-SP1-LTSS (x86_64):
xen-4.5.5_26-22.55.2
xen-debugsource-4.5.5_26-22.55.2
xen-doc-html-4.5.5_26-22.55.2
xen-kmp-default-4.5.5_26_k3.12.74_60.64.99-22.55.2
xen-kmp-default-debuginfo-4.5.5_26_k3.12.74_60.64.99-22.55.2
xen-libs-32bit-4.5.5_26-22.55.2
xen-libs-4.5.5_26-22.55.2
xen-libs-debuginfo-32bit-4.5.5_26-22.55.2
xen-libs-debuginfo-4.5.5_26-22.55.2
xen-tools-4.5.5_26-22.55.2
xen-tools-debuginfo-4.5.5_26-22.55.2
xen-tools-domU-4.5.5_26-22.55.2
xen-tools-domU-debuginfo-4.5.5_26-22.55.2
References:
https://www.suse.com/security/cve/CVE-2018-3646.html
https://bugzilla.suse.com/1027519
https://bugzilla.suse.com/1091107
_______________________________________________
=============================================================================
SUSE Security Update: Security update for xen
______________________________________________________________________________
Announcement ID: SUSE-SU-2018:2482-1
Rating: important
References: #1027519 #1091107 #1092631 #1101684 #1102116
Cross-References: CVE-2018-3646
Affected Products:
SUSE Linux Enterprise Software Development Kit 11-SP4
SUSE Linux Enterprise Server 11-SP4
SUSE Linux Enterprise Debuginfo 11-SP4
______________________________________________________________________________
An update that solves one vulnerability and has four fixes
is now available.
Description:
This update for xen fixes the following issues:
This security issue was fixed:
- CVE-2018-3646: Systems with microprocessors utilizing speculative
execution and address translations may have allowed unauthorized
disclosure of information residing in the L1 data cache to an attacker
with local user access with guest OS privilege via a terminal page fault
and a side-channel analysis (bsc#1091107, bsc#1027519).
These non-security issues were fixed:
- bsc#1102116: SSBD is not virtualized for guests
- bsc#1092631: Preserve the xl dmesg output after boot for determining
what speculative mitigations have been detected by the hypervisor.
- bsc#1101684: Make xen able to disable the visibility of the new CPU
flags.
Patch Instructions:
To install this SUSE 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:
- SUSE Linux Enterprise Software Development Kit 11-SP4:
zypper in -t patch sdksp4-xen-13749=1
- SUSE Linux Enterprise Server 11-SP4:
zypper in -t patch slessp4-xen-13749=1
- SUSE Linux Enterprise Debuginfo 11-SP4:
zypper in -t patch dbgsp4-xen-13749=1
Package List:
- SUSE Linux Enterprise Software Development Kit 11-SP4 (i586 x86_64):
xen-devel-4.4.4_36-61.37.2
- SUSE Linux Enterprise Server 11-SP4 (i586 x86_64):
xen-kmp-default-4.4.4_36_3.0.101_108.68-61.37.2
xen-libs-4.4.4_36-61.37.2
xen-tools-domU-4.4.4_36-61.37.2
- SUSE Linux Enterprise Server 11-SP4 (x86_64):
xen-4.4.4_36-61.37.2
xen-doc-html-4.4.4_36-61.37.2
xen-libs-32bit-4.4.4_36-61.37.2
xen-tools-4.4.4_36-61.37.2
- SUSE Linux Enterprise Server 11-SP4 (i586):
xen-kmp-pae-4.4.4_36_3.0.101_108.68-61.37.2
- SUSE Linux Enterprise Debuginfo 11-SP4 (i586 x86_64):
xen-debuginfo-4.4.4_36-61.37.2
xen-debugsource-4.4.4_36-61.37.2
References:
https://www.suse.com/security/cve/CVE-2018-3646.html
https://bugzilla.suse.com/1027519
https://bugzilla.suse.com/1091107
https://bugzilla.suse.com/1092631
https://bugzilla.suse.com/1101684
https://bugzilla.suse.com/1102116
_______________________________________________
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