SUSE SLES11 Security Update : kvm (SUSE-SU-2018:2615-1) (Spectre)

High Nessus Plugin ID 112287

Synopsis

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

Description

This update for kvm fixes the following security issues :

CVE-2018-12617: qmp_guest_file_read had an integer overflow that could
have been exploited by sending a crafted QMP command (including
guest-file-read with a large count value) to the agent via the
listening socket causing DoS (bsc#1098735)

CVE-2018-11806: Prevent heap-based buffer overflow via incoming
fragmented datagrams (bsc#1096223)

With this release the mitigations for Spectre v4 are moved the the
patches from upstream (CVE-2018-3639, bsc#1092885).

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 11-SP3-LTSS:zypper in -t patch
slessp3-kvm-13767=1

SUSE Linux Enterprise Point of Sale 11-SP3:zypper in -t patch
sleposp3-kvm-13767=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1092885

https://bugzilla.suse.com/show_bug.cgi?id=1096223

https://bugzilla.suse.com/show_bug.cgi?id=1098735

https://www.suse.com/security/cve/CVE-2018-11806/

https://www.suse.com/security/cve/CVE-2018-12617/

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

http://www.nessus.org/u?0a09b440

Plugin Details

Severity: High

ID: 112287

File Name: suse_SU-2018-2615-1.nasl

Version: 1.2

Type: local

Agent: unix

Published: 2018/09/05

Modified: 2018/12/01

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.2

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

CVSS v3.0

Base Score: 8.2

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:kvm, cpe:/o:novell:suse_linux:11

Patch Publication Date: 2018/09/04

Reference Information

CVE: CVE-2018-11806, CVE-2018-12617, CVE-2018-3639