SUSE SLES12 Security Update : xen (SUSE-SU-2018:1658-1) (Meltdown) (Spectre)

Medium Nessus Plugin ID 110509

Synopsis

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

Description

This update for xen fixes several issues. These security issues were
fixed :

- CVE-2018-3639: Prevent attackers with local user access
from extracting information via a side-channel analysis,
aka Speculative Store Bypass (SSB), Variant 4
(bsc#1092631).

- CVE-2017-5753,CVE-2017-5715,CVE-2017-5754: Improved
Spectre v2 mitigations (bsc#1074562).

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 Linux Enterprise Server 12-LTSS:zypper in -t patch
SUSE-SLE-SERVER-12-2018-1129=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1074562

https://bugzilla.suse.com/show_bug.cgi?id=1092631

https://www.suse.com/security/cve/CVE-2017-5715/

https://www.suse.com/security/cve/CVE-2017-5753/

https://www.suse.com/security/cve/CVE-2017-5754/

https://www.suse.com/security/cve/CVE-2018-3639/

http://www.nessus.org/u?2e8dccca

Plugin Details

Severity: Medium

ID: 110509

File Name: suse_SU-2018-1658-1.nasl

Version: 1.6

Type: local

Agent: unix

Published: 2018/06/13

Modified: 2018/12/01

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 4.9

Temporal Score: 4.3

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:N/A:N

Temporal Vector: CVSS2#E:H/RL:OF/RC:C

CVSS v3.0

Base Score: 5.6

Temporal Score: 5.4

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

Temporal Vector: CVSS:3.0/E:H/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-kmp-default, p-cpe:/a:novell:suse_linux:xen-kmp-default-debuginfo, 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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2018/06/12

Exploitable With

CANVAS (CANVAS)

Reference Information

CVE: CVE-2017-5715, CVE-2017-5753, CVE-2017-5754, CVE-2018-3639

IAVA: 2018-A-0019, 2018-A-0020