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SUSE SLED15 / SLES15 Security Update : libvirt (SUSE-SU-2020:2237-1)

high Nessus Plugin ID 139656

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Synopsis

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

Description

This update for libvirt fixes the following issues :

CVE-2020-14339: Don't leak /dev/mapper/control into QEMU. Use ioctl's to obtain the dependency tree of disks and drop use of libdevmapper. - bsc#1161883, bsc#1174458

qemu: Setup emulator thread and cpuset.mems before exec - bsc#1171946

libxl: Normalize MAC address in device conf on netdev hotplug - bsc#1172052

spec: Use a functional requires instead of explicit version requires for the new memory-related libxl APIs - bsc#1167007

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-SP1 :

zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP1-2020-2237=1

SUSE Linux Enterprise Module for Basesystem 15-SP1 :

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP1-2020-2237=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1161883

https://bugzilla.suse.com/show_bug.cgi?id=1167007

https://bugzilla.suse.com/show_bug.cgi?id=1171946

https://bugzilla.suse.com/show_bug.cgi?id=1172052

https://bugzilla.suse.com/show_bug.cgi?id=1174458

https://www.suse.com/security/cve/CVE-2020-14339/

http://www.nessus.org/u?4f4b5a3a

Plugin Details

Severity: High

ID: 139656

File Name: suse_SU-2020-2237-1.nasl

Version: 1.5

Type: local

Agent: unix

Published: 8/18/2020

Updated: 2/26/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.5

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS Score Source: CVE-2020-14339

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-storage-disk, p-cpe:/a:novell:suse_linux:libvirt-libs, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-nodedev-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-network-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-storage, p-cpe:/a:novell:suse_linux:libvirt-daemon-hooks, p-cpe:/a:novell:suse_linux:libvirt-daemon-qemu, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-storage-iscsi, p-cpe:/a:novell:suse_linux:libvirt-client-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-storage-core, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-storage-logical, p-cpe:/a:novell:suse_linux:libvirt-debugsource, p-cpe:/a:novell:suse_linux:libvirt-admin-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-nwfilter, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-storage-logical-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-config-nwfilter, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-secret, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-storage-rbd, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-storage-scsi-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-storage-iscsi-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-admin, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-libxl-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-lock-sanlock, p-cpe:/a:novell:suse_linux:libvirt-devel, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-qemu, cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:libvirt-daemon-config-network, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-network, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-storage-disk-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-lxc, p-cpe:/a:novell:suse_linux:libvirt-daemon, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-storage-scsi, p-cpe:/a:novell:suse_linux:libvirt-client, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-storage-rbd-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-nss-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-storage-mpath, p-cpe:/a:novell:suse_linux:libvirt-daemon-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-libxl, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-secret-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-interface-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-lxc, p-cpe:/a:novell:suse_linux:libvirt-daemon-xen, p-cpe:/a:novell:suse_linux:libvirt-libs-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-lxc-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-qemu-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-nwfilter-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-nodedev, p-cpe:/a:novell:suse_linux:libvirt-nss, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-storage-core-debuginfo, p-cpe:/a:novell:suse_linux:libvirt, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-storage-mpath-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-lock-sanlock-debuginfo, p-cpe:/a:novell:suse_linux:libvirt-daemon-driver-interface

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/14/2020

Vulnerability Publication Date: 12/3/2020

Reference Information

CVE: CVE-2020-14339