SUSE SLES12 Security Update : kernel (SUSE-SU-2021:1373-1)

high Nessus Plugin ID 149083

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Synopsis

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

Description

This update for the Linux Kernel 4.4.180-94_135 fixes one issue.

The following security issues were fixed :

CVE-2021-28688: Fixed an issue introduced by XSA-365 (bsc##1182294, bsc#1183646).

CVE-2021-26930: Fixed an improper error handling in blkback's grant mapping (XSA-365 bsc#1182294).

CVE-2021-26931: Fixed an issue where Linux kernel was treating grant mapping errors as bugs (XSA-362 bsc#1183022).

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-SP3-2021-1337=1 SUSE-SLE-SAP-12-SP3-2021-1338=1 SUSE-SLE-SAP-12-SP3-2021-1339=1 SUSE-SLE-SAP-12-SP3-2021-1340=1 SUSE-SLE-SAP-12-SP3-2021-1371=1 SUSE-SLE-SAP-12-SP3-2021-1372=1 SUSE-SLE-SAP-12-SP3-2021-1373=1

SUSE Linux Enterprise Server 12-SP3-LTSS :

zypper in -t patch SUSE-SLE-SERVER-12-SP3-2021-1337=1 SUSE-SLE-SERVER-12-SP3-2021-1338=1 SUSE-SLE-SERVER-12-SP3-2021-1339=1 SUSE-SLE-SERVER-12-SP3-2021-1340=1 SUSE-SLE-SERVER-12-SP3-2021-1371=1 SUSE-SLE-SERVER-12-SP3-2021-1372=1 SUSE-SLE-SERVER-12-SP3-2021-1373=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1182294

https://www.suse.com/security/cve/CVE-2021-26930/

https://www.suse.com/security/cve/CVE-2021-26931/

https://www.suse.com/security/cve/CVE-2021-28688/

http://www.nessus.org/u?6d84b1b5

Plugin Details

Severity: High

ID: 149083

File Name: suse_SU-2021-1373-1.nasl

Version: 1.3

Type: local

Agent: unix

Published: 4/29/2021

Updated: 1/3/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2021-26930

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_121-default, p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_127-default, p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_138-default-debuginfo, cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_124-default, p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_135-default, p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_121-default-debuginfo, p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_116-default, p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_124-default-debuginfo, p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_127-default-debuginfo, p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_135-default-debuginfo, p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_138-default, p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_130-default, p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_130-default-debuginfo, p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_116-default-debuginfo

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: 4/28/2021

Vulnerability Publication Date: 2/17/2021

Reference Information

CVE: CVE-2021-26930, CVE-2021-26931, CVE-2021-28688