SUSE SLES12 Security Update : libvirt (SUSE-SU-2018:2141-1) (Spectre)

Medium Nessus Plugin ID 111503

Synopsis

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

Description

This update for libvirt fixes the following issues: Security issues fixed :

- CVE-2018-3639: Add support for 'ssbd' and 'virt-ssbd' CPUID feature bits to address V4 Speculative Store Bypass aka 'Memory Disambiguation' (bsc#1092885).

- CVE-2018-1064: Fix denial of service problem during reading from guest agent (bsc#1083625).

- CVE-2018-5748: Fix resource exhaustion via qemuMonitorIORead() method (bsc#1076500).

- CVE-2016-5008: Fix that an empty VNC password disables authentication (bsc#987527).

- CVE-2017-5715: Fix speculative side channel attacks aka 'SpectreAttack' (var2) (bsc#1079869). Bug fixes :

- bsc#980558: Fix NUMA node memory allocation.

- bsc#968483: Restart daemons in %posttrans after connection drivers.

- bsc#897352: Systemd fails to ignore LSB services.

- bsc#956298: virsh domxml-to-native causes segfault of libvirtd.

- bsc#964465: libvirtd.service causes systemd warning about xencommons service.

- bsc#954872: Script block-dmmd not working as expected.

- bsc#854343: libvirt installation run inappropriate systemd restart.

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-12-2018-1455=1

See Also

https://bugzilla.suse.com/1076500

https://bugzilla.suse.com/1079869

https://bugzilla.suse.com/1083625

https://bugzilla.suse.com/1092885

https://bugzilla.suse.com/854343

https://bugzilla.suse.com/897352

https://bugzilla.suse.com/954872

https://bugzilla.suse.com/956298

https://bugzilla.suse.com/964465

https://bugzilla.suse.com/968483

https://bugzilla.suse.com/980558

https://bugzilla.suse.com/987527

https://www.suse.com/security/cve/CVE-2016-5008.html

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

https://www.suse.com/security/cve/CVE-2018-1064.html

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

https://www.suse.com/security/cve/CVE-2018-5748.html

http://www.nessus.org/u?e4bc0473

Plugin Details

Severity: Medium

ID: 111503

File Name: suse_SU-2018-2141-1.nasl

Version: 1.4

Type: local

Agent: unix

Published: 2018/08/02

Modified: 2018/09/06

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSSv2

Base Score: 5

Temporal Score: 3.9

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

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

CVSSv3

Base Score: 9.8

Temporal Score: 8.8

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:libvirt, p-cpe:/a:novell:suse_linux:libvirt-client, p-cpe:/a:novell:suse_linux:libvirt-client-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon, p-cpe:/a:novell:suse_linux:libvirt-daemon-config-network, p-cpe:/a:novell:suse_linux:libvirt-daemon-config-nwfilter, p-cpe:/a:novell:suse_linux:libvirt-daemon-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-interface, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-interface-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-libxl, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-libxl-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-lxc, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-lxc-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-network, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-network-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-nodedev, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-nodedev-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-nwfilter, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-nwfilter-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-qemu, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-qemu-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-secret, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-secret-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-storage, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-storage-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-lxc, p-cpe:/a:novell:suse_linux:libvirt-daemon-qemu, p-cpe:/a:novell:suse_linux:libvirt-daemon-xen, p-cpe:/a:novell:suse_linux:libvirt-debugsource, p-cpe:/a:novell:suse_linux:libvirt-doc, p-cpe:/a:novell:suse_linux:libvirt-lock-sanlock, p-cpe:/a:novell:suse_linux:libvirt-lock-sanlock-debuginfo, cpe:/o:novell:suse_linux:12

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

Patch Publication Date: 2018/07/30

Reference Information

CVE: CVE-2016-5008, CVE-2017-5715, CVE-2018-1064, CVE-2018-3639, CVE-2018-5748

IAVA: 2018-A-0020