SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2020:3273-1)

medium Nessus Plugin ID 143629

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Synopsis

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

Description

The SUSE Linux Enterprise 15 SP2 kernel was updated to receive various security and bug fixes.

The following security bugs were fixed :

CVE-2020-25656: Fixed a concurrency use-after-free in vt_do_kdgkb_ioctl (bnc#1177766).

CVE-2020-8694: Restricted energy meter to root access (bsc#1170415).

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 Linux Enterprise Workstation Extension 15-SP2 :

zypper in -t patch SUSE-SLE-Product-WE-15-SP2-2020-3273=1

SUSE Linux Enterprise Module for Live Patching 15-SP2 :

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2020-3273=1

SUSE Linux Enterprise Module for Legacy Software 15-SP2 :

zypper in -t patch SUSE-SLE-Module-Legacy-15-SP2-2020-3273=1

SUSE Linux Enterprise Module for Development Tools 15-SP2 :

zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP2-2020-3273=1

SUSE Linux Enterprise Module for Basesystem 15-SP2 :

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2020-3273=1

SUSE Linux Enterprise High Availability 15-SP2 :

zypper in -t patch SUSE-SLE-Product-HA-15-SP2-2020-3273=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1065600

https://bugzilla.suse.com/show_bug.cgi?id=1066382

https://bugzilla.suse.com/show_bug.cgi?id=1164648

https://bugzilla.suse.com/show_bug.cgi?id=1149032

https://bugzilla.suse.com/show_bug.cgi?id=1170415

https://bugzilla.suse.com/show_bug.cgi?id=1175749

https://bugzilla.suse.com/show_bug.cgi?id=1177766

https://www.suse.com/security/cve/CVE-2020-25656/

https://www.suse.com/security/cve/CVE-2020-8694/

https://bugzilla.suse.com/show_bug.cgi?id=1163592

https://bugzilla.suse.com/show_bug.cgi?id=1176354

https://bugzilla.suse.com/show_bug.cgi?id=1177281

https://bugzilla.suse.com/show_bug.cgi?id=1177799

https://bugzilla.suse.com/show_bug.cgi?id=1177801

https://bugzilla.suse.com/show_bug.cgi?id=1178166

https://bugzilla.suse.com/show_bug.cgi?id=1178173

https://bugzilla.suse.com/show_bug.cgi?id=1178175

https://bugzilla.suse.com/show_bug.cgi?id=1178176

https://bugzilla.suse.com/show_bug.cgi?id=1178177

https://bugzilla.suse.com/show_bug.cgi?id=1178183

https://bugzilla.suse.com/show_bug.cgi?id=1178184

https://bugzilla.suse.com/show_bug.cgi?id=1178185

https://bugzilla.suse.com/show_bug.cgi?id=1178186

https://bugzilla.suse.com/show_bug.cgi?id=1178190

https://bugzilla.suse.com/show_bug.cgi?id=1178191

https://bugzilla.suse.com/show_bug.cgi?id=1178255

https://bugzilla.suse.com/show_bug.cgi?id=1178307

https://bugzilla.suse.com/show_bug.cgi?id=1178330

https://bugzilla.suse.com/show_bug.cgi?id=1178395

http://www.nessus.org/u?24bc19d5

Plugin Details

Severity: Medium

ID: 143629

File Name: suse_SU-2020-3273-1.nasl

Version: 1.3

Type: local

Agent: unix

Published: 12/9/2020

Updated: 1/13/2021

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: Medium

Score: 5.1

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

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

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

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

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

Vulnerability Information

CPE: cpe:2.3:o:novell:suse_linux:15:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:kernel-default:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:kernel-syms:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:kernel-default-base:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:kernel-default-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:kernel-default-debuginfo:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:kernel-default-debugsource:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:kernel-default-devel-debuginfo:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:kernel-obs-build:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:kernel-obs-build-debugsource:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:kernel-preempt:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:kernel-preempt-debuginfo:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:kernel-preempt-debugsource:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:kernel-preempt-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:kernel-preempt-devel-debuginfo:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:reiserfs-kmp-default:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:reiserfs-kmp-default-debuginfo:*:*:*:*:*:*:*

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: 11/10/2020

Vulnerability Publication Date: 11/12/2020

Reference Information

CVE: CVE-2020-8694, CVE-2020-25656