SUSE SLES12 Security Update : kernel (SUSE-SU-2020:2540-1) (Spectre)

high Nessus Plugin ID 140385

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Synopsis

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

Description

The SUSE Linux Enterprise 12 SP5 Azure kernel was updated to receive various security and bugfixes.

The following security bugs were fixed :

CVE-2020-1749: Use ip6_dst_lookup_flow instead of ip6_dst_lookup (bsc#1165629).

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

CVE-2020-14356: Fixed a NULL pointer dereference in cgroupv2 subsystem which could have led to privilege escalation (bsc#1175213).

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-2020-24394: Fixed an issue which could set incorrect permissions on new filesystem objects when the filesystem lacks ACL support (bsc#1175518).

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 Server 12-SP5 :

zypper in -t patch SUSE-SLE-SERVER-12-SP5-2020-2540=1

Plugin Details

Severity: High

ID: 140385

File Name: suse_SU-2020-2540-1.nasl

Version: 1.3

Type: local

Agent: unix

Family: SuSE Local Security Checks

Published: 9/8/2020

Updated: 2/21/2024

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: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

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

CVSS Score Source: CVE-2020-14356

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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

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

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:kernel-syms-azure, p-cpe:/a:novell:suse_linux:kernel-azure-debugsource, p-cpe:/a:novell:suse_linux:kernel-azure-base, p-cpe:/a:novell:suse_linux:kernel-azure-base-debuginfo, p-cpe:/a:novell:suse_linux:kernel-azure-debuginfo, p-cpe:/a:novell:suse_linux:kernel-azure-devel, p-cpe:/a:novell:suse_linux:kernel-azure

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: 9/4/2020

Vulnerability Publication Date: 5/22/2018

Reference Information

CVE: CVE-2018-3639, CVE-2020-14314, CVE-2020-14331, CVE-2020-14356, CVE-2020-16166, CVE-2020-1749, CVE-2020-24394

Detections

Analytics