SUSE SLES12 Security Update : kernel (Live Patch 40 for SLE 12 SP3) (SUSE-SU-2021:4057-1)

high Nessus Plugin ID 156082

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Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLES12 / SLES_SAP12 host has a package installed that is affected by a vulnerability as referenced in the SUSE-SU-2021:4057-1 advisory.

This update for the Linux Kernel 4.4.180-94_147 fixes one issue.

The following security issue was fixed:

- CVE-2021-20322: Make the ipv4 and ipv6 ICMP exception caches less predictive to avoid information leaks about UDP ports in use. (bsc#1191790)

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected kgraft-patch-4_4_180-94_147-default package.

See Also

https://bugzilla.suse.com/1191813

https://www.suse.com/security/cve/CVE-2021-20322

http://www.nessus.org/u?986ab17f

Plugin Details

Severity: High

ID: 156082

File Name: suse_SU-2021-4057-1.nasl

Version: 1.9

Type: Local

Agent: unix

Published: 12/15/2021

Updated: 6/25/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.3

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

CVSS Score Source: CVE-2021-20322

CVSS v3

Risk Factor: High

Base Score: 7.4

Temporal Score: 6.4

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_147-default, 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: 12/14/2021

Vulnerability Publication Date: 1/20/2022

Reference Information

CVE: CVE-2021-20322

SuSE: SUSE-SU-2021:4057-1