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AUSCERT External Security Bulletin Redistribution
ESB-2018.2512
Security update for xen
24 August 2018
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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-2018.2502
ESB-2018.2487
ESB-2018.2445.2
ESB-2018.2437
ESB-2018.2416
ESB-2018.2404
Original Bulletin:
https://www.suse.com/support/update/announcement/2018/suse-su-20182483-1.html
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SUSE Security Update: Security update for xen
______________________________________________________________________________
Announcement ID: SUSE-SU-2018:2483-1
Rating: important
References: #1027519 #1091107 #1101684 #1102116
Cross-References: CVE-2018-3646
Affected Products:
SUSE Linux Enterprise Server 12-LTSS
______________________________________________________________________________
An update that solves one vulnerability and has three 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 issue were fixed:
- bsc#1102116: SSBD is not virtualized for guests
- bsc#1101684: Not 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 Server 12-LTSS:
zypper in -t patch SUSE-SLE-SERVER-12-2018-1746=1
Package List:
- SUSE Linux Enterprise Server 12-LTSS (x86_64):
xen-4.4.4_36-22.74.1
xen-debugsource-4.4.4_36-22.74.1
xen-doc-html-4.4.4_36-22.74.1
xen-kmp-default-4.4.4_36_k3.12.61_52.141-22.74.1
xen-kmp-default-debuginfo-4.4.4_36_k3.12.61_52.141-22.74.1
xen-libs-32bit-4.4.4_36-22.74.1
xen-libs-4.4.4_36-22.74.1
xen-libs-debuginfo-32bit-4.4.4_36-22.74.1
xen-libs-debuginfo-4.4.4_36-22.74.1
xen-tools-4.4.4_36-22.74.1
xen-tools-debuginfo-4.4.4_36-22.74.1
xen-tools-domU-4.4.4_36-22.74.1
xen-tools-domU-debuginfo-4.4.4_36-22.74.1
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/1101684
https://bugzilla.suse.com/1102116
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===========================================================================
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