SUSE SLED15 / SLES15 Security Update : qemu (SUSE-SU-2018:2340-1) (Spectre)

high Nessus Plugin ID 120081

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New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

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

Description

This update for qemu to version 2.11.2 fixes the following issues:
Security issue fixed :

- CVE-2018-11806: Fix heap buffer overflow issue that can happen while reassembling fragmented datagrams (bsc#1096223).

- CVE-2018-3639: Mitigation functionality for Speculative Store Bypass issue in x86 (bsc#1087082).

- CVE-2018-7550: Fix out of bounds read and write memory access, potentially leading to code execution (bsc#1083291) Bug fixes :

- bsc#1091695: SEV guest will not lauchh with qemu-system-x86_64 version 2.11.1.

- bsc#1094898: qemu-guest-agent service doesn't work in version Leap 15.0.

- bsc#1094725: `virsh blockresize` does not work with Xen qdisks.

- bsc#1094913: QEMU crashes when starting a guest with more than 7.999TB.

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 Module for Server Applications 15:zypper in -t patch SUSE-SLE-Module-Server-Applications-15-2018-1577=1

SUSE Linux Enterprise Module for Basesystem 15:zypper in -t patch SUSE-SLE-Module-Basesystem-15-2018-1577=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1083291

https://www.suse.com/security/cve/CVE-2018-7550/

https://bugzilla.suse.com/show_bug.cgi?id=1087082

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

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

https://bugzilla.suse.com/show_bug.cgi?id=1094725

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

https://bugzilla.suse.com/show_bug.cgi?id=1091695

https://bugzilla.suse.com/show_bug.cgi?id=1094898

https://bugzilla.suse.com/show_bug.cgi?id=1094913

http://www.nessus.org/u?719c7d19

Plugin Details

Severity: High

ID: 120081

File Name: suse_SU-2018-2340-1.nasl

Version: 1.5

Type: local

Agent: unix

Published: 1/2/2019

Updated: 1/13/2021

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2018-11806

VPR

Risk Factor: High

Score: 7.3

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

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

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

CVSS v3

Risk Factor: High

Base Score: 8.2

Temporal Score: 7.4

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

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:2.3:o:novell:suse_linux:15:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:qemu:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:qemu-block-curl:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:qemu-block-curl-debuginfo:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:qemu-block-rbd:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:qemu-block-rbd-debuginfo:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:qemu-debugsource:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:qemu-guest-agent:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:qemu-guest-agent-debuginfo:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:qemu-kvm:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:qemu-lang:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:qemu-s390:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:qemu-s390-debuginfo:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:qemu-tools:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:qemu-tools-debuginfo:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:qemu-x86:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:qemu-x86-debuginfo:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:qemu-block-ssh:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:qemu-block-ssh-debuginfo:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:qemu-block-iscsi:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:qemu-block-iscsi-debuginfo:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:qemu-debuginfo:*:*:*:*:*:*:*

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: 8/15/2018

Vulnerability Publication Date: 3/1/2018

Reference Information

CVE: CVE-2018-7550, CVE-2018-3639, CVE-2018-11806