SUSE SLES12 Security Update : kernel (SUSE-SU-2021:1074-1)

high Nessus Plugin ID 148386
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

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

Description

This update for the Linux Kernel 4.4.180-94_141 fixes several issues.

The following security issues were fixed :

CVE-2021-27365: Fixed an issue where data structures did not have appropriate length constraints or checks, and could exceed the PAGE_SIZE value (bsc#1183491).

CVE-2021-27363: Fixed a kernel pointer leak which could have been used to determine the address of the iscsi_transport structure (bsc#1183120).

CVE-2021-27364: Fixed an issue where an unprivileged user could craft Netlink messages (bsc#1182717).

CVE-2020-25645: Fixed an an issue in IPsec that caused traffic between two Geneve endpoints to be unencrypted (bsc#1177513).

CVE-2020-0429: Fixed a memory corruption due to a use after free which could have led to local escalation of privilege with System execution privileges needed (bsc#1176931).

CVE-2020-1749: Use ip6_dst_lookup_flow instead of ip6_dst_lookup (bsc#1165631).

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 for SAP 12-SP3 :

zypper in -t patch SUSE-SLE-SAP-12-SP3-2021-1074=1

SUSE Linux Enterprise Server 12-SP3-LTSS :

zypper in -t patch SUSE-SLE-SERVER-12-SP3-2021-1074=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1165631

https://bugzilla.suse.com/show_bug.cgi?id=1176931

https://bugzilla.suse.com/show_bug.cgi?id=1177513

https://bugzilla.suse.com/show_bug.cgi?id=1182717

https://bugzilla.suse.com/show_bug.cgi?id=1183120

https://bugzilla.suse.com/show_bug.cgi?id=1183491

https://www.suse.com/security/cve/CVE-2020-0429/

https://www.suse.com/security/cve/CVE-2020-1749/

https://www.suse.com/security/cve/CVE-2020-25645/

https://www.suse.com/security/cve/CVE-2021-27363/

https://www.suse.com/security/cve/CVE-2021-27364/

https://www.suse.com/security/cve/CVE-2021-27365/

http://www.nessus.org/u?bb40122f

Plugin Details

Severity: High

ID: 148386

File Name: suse_SU-2021-1074-1.nasl

Version: 1.2

Type: local

Agent: unix

Published: 4/8/2021

Updated: 4/12/2021

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2020-25645

VPR

Risk Factor: High

Score: 8.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

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

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_141-default, p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_141-default-debuginfo, 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: 4/7/2021

Vulnerability Publication Date: 9/9/2020

Reference Information

CVE: CVE-2020-0429, CVE-2020-1749, CVE-2020-25645, CVE-2021-27363, CVE-2021-27364, CVE-2021-27365