SUSE SLES12 Security Update : kernel (SUSE-SU-2020:2582-1)

critical Nessus Plugin ID 140480
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

The SUSE Linux Enterprise 12 SP3 kernel was updated to receive various security and bugfixes.

The following security bugs were fixed :

CVE-2020-14314: Fixed a potential negative array index in do_split() (bsc#1173798).

CVE-2020-14331: Fixed a missing check in vgacon scrollback handling (bsc#1174205).

CVE-2020-16166: Fixed a potential issue which could have allowed remote attackers to make observations that help to obtain sensitive information about the internal state of the network RNG (bsc#1174757).

CVE-2019-16746: Fixed an improper check of the length of variable elements in a beacon head, leading to a buffer overflow (bsc#1152107).

CVE-2020-14386: Fixed a potential local privilege escalation via memory corruption (bsc#1176069).

The update package also includes non-security fixes. See advisory for details.

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 OpenStack Cloud Crowbar 8 :

zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-8-2020-2582=1

SUSE OpenStack Cloud 8 :

zypper in -t patch SUSE-OpenStack-Cloud-8-2020-2582=1

SUSE Linux Enterprise Server for SAP 12-SP3 :

zypper in -t patch SUSE-SLE-SAP-12-SP3-2020-2582=1

SUSE Linux Enterprise Server 12-SP3-LTSS :

zypper in -t patch SUSE-SLE-SERVER-12-SP3-2020-2582=1

SUSE Linux Enterprise Server 12-SP3-BCL :

zypper in -t patch SUSE-SLE-SERVER-12-SP3-BCL-2020-2582=1

SUSE Linux Enterprise High Availability 12-SP3 :

zypper in -t patch SUSE-SLE-HA-12-SP3-2020-2582=1

SUSE Enterprise Storage 5 :

zypper in -t patch SUSE-Storage-5-2020-2582=1

HPE Helion Openstack 8 :

zypper in -t patch HPE-Helion-OpenStack-8-2020-2582=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1152107

https://bugzilla.suse.com/show_bug.cgi?id=1173798

https://bugzilla.suse.com/show_bug.cgi?id=1174205

https://bugzilla.suse.com/show_bug.cgi?id=1174757

https://bugzilla.suse.com/show_bug.cgi?id=1174771

https://bugzilla.suse.com/show_bug.cgi?id=1175112

https://bugzilla.suse.com/show_bug.cgi?id=1175127

https://bugzilla.suse.com/show_bug.cgi?id=1175228

https://bugzilla.suse.com/show_bug.cgi?id=1175691

https://bugzilla.suse.com/show_bug.cgi?id=1176069

https://www.suse.com/security/cve/CVE-2019-16746/

https://www.suse.com/security/cve/CVE-2020-14314/

https://www.suse.com/security/cve/CVE-2020-14331/

https://www.suse.com/security/cve/CVE-2020-14386/

https://www.suse.com/security/cve/CVE-2020-16166/

http://www.nessus.org/u?9dfbd0d4

Plugin Details

Severity: Critical

ID: 140480

File Name: suse_SU-2020-2582-1.nasl

Version: 1.3

Type: local

Agent: unix

Published: 9/10/2020

Updated: 1/13/2021

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: High

Score: 8.4

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:kernel-default, p-cpe:/a:novell:suse_linux:kernel-default-base, p-cpe:/a:novell:suse_linux:kernel-default-base-debuginfo, p-cpe:/a:novell:suse_linux:kernel-default-debuginfo, p-cpe:/a:novell:suse_linux:kernel-default-debugsource, p-cpe:/a:novell:suse_linux:kernel-default-devel, p-cpe:/a:novell:suse_linux:kernel-default-kgraft, p-cpe:/a:novell:suse_linux:kernel-default-man, p-cpe:/a:novell:suse_linux:kernel-syms, p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_130-default, p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_130-default-debuginfo, cpe:/o:novell:suse_linux:12

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: 9/9/2020

Vulnerability Publication Date: 9/24/2019

Reference Information

CVE: CVE-2019-16746, CVE-2020-14314, CVE-2020-14331, CVE-2020-14386, CVE-2020-16166