SUSE SLES11 Security Update : xen (SUSE-SU-2018:1603-1) (Meltdown) (Spectre)

medium Nessus Plugin ID 110444

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VPR Score: 7.9

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). 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 Linux Enterprise Software Development Kit 11-SP4:zypper in -t patch sdksp4-xen-13647=1

SUSE Linux Enterprise Server 11-SP4:zypper in -t patch slessp4-xen-13647=1

SUSE Linux Enterprise Debuginfo 11-SP4:zypper in -t patch dbgsp4-xen-13647=1

Plugin Details

Severity: Medium

ID: 110444

File Name: suse_SU-2018-1603-1.nasl

Version: 1.9

Type: local

Agent: unix

Family: SuSE Local Security Checks

Published: 6/11/2018

Updated: 1/19/2021

Dependencies: ssh_get_info.nasl

Risk Information

Risk Factor: Medium

VPR Score: 7.9

CVSS v2.0

Base Score: 4.9

Temporal Score: 4.3

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:xen, 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-pae, p-cpe:/a:novell:suse_linux:xen-libs, p-cpe:/a:novell:suse_linux:xen-tools, p-cpe:/a:novell:suse_linux:xen-tools-domU, cpe:/o:novell:suse_linux:11

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/8/2018

Vulnerability Publication Date: 1/4/2018

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