SUSE SLES12 Security Update : xen (SUSE-SU-2019:1371-1) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

high Nessus Plugin ID 125540
New! Vulnerability Priority Rating (VPR)

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VPR Score: 7.7

Synopsis

The remote SUSE host is missing one or more security updates.

Description

This update for xen fixes the following issues :

Four new speculative execution information leak issues have been identified in Intel CPUs. (bsc#1111331)

CVE-2018-12126: Microarchitectural Store Buffer Data Sampling (MSBDS)

CVE-2018-12127: Microarchitectural Fill Buffer Data Sampling (MFBDS)

CVE-2018-12130: Microarchitectural Load Port Data Sampling (MLPDS)

CVE-2019-11091: Microarchitectural Data Sampling Uncacheable Memory (MDSUM)

These updates contain the XEN Hypervisor adjustments, that additionally also use CPU Microcode updates.

The mitigation can be controlled via the 'mds' commandline option, see the documentation.

For more information on this set of vulnerabilities, check out https://www.suse.com/support/kb/doc/?id=7023736

Other fixes: CVE-2018-20815: Fixed a heap buffer overflow while loading device tree blob (bsc#1130680).

Fixed an issue with live migration when spectre is enabled on xen boot cmdline (bsc#1116380).

Fixed an issue with live migration (bsc#1133818).

Added upstream bug fix (bsc#1027519).

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

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 OpenStack Cloud 7:zypper in -t patch SUSE-OpenStack-Cloud-7-2019-1371=1

SUSE Linux Enterprise Server for SAP 12-SP2:zypper in -t patch SUSE-SLE-SAP-12-SP2-2019-1371=1

SUSE Linux Enterprise Server 12-SP2-LTSS:zypper in -t patch SUSE-SLE-SERVER-12-SP2-2019-1371=1

SUSE Linux Enterprise Server 12-SP2-BCL:zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2019-1371=1

SUSE Enterprise Storage 4:zypper in -t patch SUSE-Storage-4-2019-1371=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1027519

https://bugzilla.suse.com/show_bug.cgi?id=1111331

https://bugzilla.suse.com/show_bug.cgi?id=1116380

https://bugzilla.suse.com/show_bug.cgi?id=1130680

https://bugzilla.suse.com/show_bug.cgi?id=1133818

https://www.suse.com/security/cve/CVE-2018-12126/

https://www.suse.com/security/cve/CVE-2018-12127/

https://www.suse.com/security/cve/CVE-2018-12130/

https://www.suse.com/security/cve/CVE-2018-20815/

https://www.suse.com/security/cve/CVE-2019-11091/

https://www.suse.com/support/kb/doc/?id=7023736

http://www.nessus.org/u?179e4866

Plugin Details

Severity: High

ID: 125540

File Name: suse_SU-2019-1371-1.nasl

Version: 1.5

Type: local

Agent: unix

Published: 5/29/2019

Updated: 1/13/2021

Dependencies: 12634

Risk Information

Risk Factor: High

VPR Score: 7.7

CVSS v2.0

Base Score: 7.5

Temporal Score: 5.5

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:xen, p-cpe:/a:novell:suse_linux:xen-debugsource, p-cpe:/a:novell:suse_linux:xen-doc-html, p-cpe:/a:novell:suse_linux:xen-libs, p-cpe:/a:novell:suse_linux:xen-libs-debuginfo, p-cpe:/a:novell:suse_linux:xen-tools, p-cpe:/a:novell:suse_linux:xen-tools-debuginfo, p-cpe:/a:novell:suse_linux:xen-tools-domU, p-cpe:/a:novell:suse_linux:xen-tools-domU-debuginfo, cpe:/o:novell:suse_linux:12

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 5/28/2019

Vulnerability Publication Date: 5/30/2019

Reference Information

CVE: CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2018-20815, CVE-2019-11091