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

Plugin Details

Severity: Medium

ID: 143629

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

Version: 1.4

Type: local

Agent: unix

Family: SuSE Local Security Checks

Published: 12/9/2020

Updated: 2/6/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

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

CVSS Score Source: CVE-2020-8694

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

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:P/RL:O/RC:C

Vulnerability Information

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

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: 11/10/2020

Vulnerability Publication Date: 11/12/2020

Reference Information

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

Detections

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