SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2020:2980-1)

high Nessus Plugin ID 143845

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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 bugfixes.

The following security bugs were fixed :

CVE-2020-12351: Fixed a type confusion while processing AMP packets aka 'BleedingTooth' aka 'BadKarma' (bsc#1177724).

CVE-2020-24490: Fixed a heap buffer overflow when processing extended advertising report events aka 'BleedingTooth' aka 'BadVibes' (bsc#1177726).

CVE-2020-12352: Fixed an information leak when processing certain AMP packets aka 'BleedingTooth' aka 'BadChoice' (bsc#1177725).

CVE-2020-25641: Fixed a zero-length biovec request issued by the block subsystem could have caused the kernel to enter an infinite loop, causing a denial of service (bsc#1177121).

CVE-2020-25643: Fixed a memory corruption and a read overflow which could have caused by improper input validation in the ppp_cp_parse_cr function (bsc#1177206).

CVE-2020-25645: Fixed an issue which traffic between two Geneve endpoints may be unencrypted when IPsec is configured to encrypt traffic for the specific UDP port used by the GENEVE tunnel allowing anyone between the two endpoints to read the traffic unencrypted (bsc#1177511).

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-SP2-2020-2980=1

SUSE Linux Enterprise Module for Live Patching 15-SP2 :

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2020-2980=1

SUSE Linux Enterprise Module for Legacy Software 15-SP2 :

zypper in -t patch SUSE-SLE-Module-Legacy-15-SP2-2020-2980=1

SUSE Linux Enterprise Module for Development Tools 15-SP2 :

zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP2-2020-2980=1

SUSE Linux Enterprise Module for Basesystem 15-SP2 :

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2020-2980=1

SUSE Linux Enterprise High Availability 15-SP2 :

zypper in -t patch SUSE-SLE-Product-HA-15-SP2-2020-2980=1

Plugin Details

Severity: High

ID: 143845

File Name: suse_SU-2020-2980-1.nasl

Version: 1.5

Type: local

Agent: unix

Family: SuSE Local Security Checks

Published: 12/9/2020

Updated: 5/11/2022

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

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

CVSS Score Source: CVE-2020-25643

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

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

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

CVSS Score Source: CVE-2020-12351

Vulnerability Information

CPE: 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, 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

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: 10/21/2020

Vulnerability Publication Date: 10/6/2020

Reference Information

CVE: CVE-2020-12351, CVE-2020-12352, CVE-2020-24490, CVE-2020-25641, CVE-2020-25643, CVE-2020-25645

Detections

Analytics

SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2020:2980-1)

high Nessus Plugin ID 143845

Synopsis

Description

Solution

See Also

Plugin Details

Risk Information

VPR

CVSS v2

CVSS v3

Vulnerability Information

Reference Information