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AUSCERT External Security Bulletin Redistribution
ESB-2021.2911
Security update for the Linux Kernel (Live Patch 36 for SLE 12 SP3)
27 August 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Linux Kernel
Publisher: SUSE
Operating System: SUSE
Impact/Access: Increased Privileges -- Existing Account
Denial of Service -- Existing Account
Reduced Security -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-37576 CVE-2021-28688 CVE-2021-3609
CVE-2020-0429
Reference: ESB-2021.2792
ESB-2021.2691
Original Bulletin:
https://www.suse.com/support/update/announcement/2021/suse-su-20212842-1
https://www.suse.com/support/update/announcement/2021/suse-su-20212846-1
Comment: This bulletin contains two (2) SUSE security advisories.
- --------------------------BEGIN INCLUDED TEXT--------------------
SUSE Security Update: Security update for the Linux Kernel (Live Patch 36 for
SLE 12 SP3)
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:2842-1
Rating: important
References: #1188323 #1188842
Cross-References: CVE-2021-3609 CVE-2021-37576
Affected Products:
SUSE Linux Enterprise Server for SAP 12-SP3
SUSE Linux Enterprise Server 12-SP3-LTSS
______________________________________________________________________________
An update that fixes two vulnerabilities is now available.
Description:
This update for the Linux Kernel 4.4.180-94_135 fixes several issues.
The following security issues were fixed:
o CVE-2021-37576: On the powerpc platform KVM guest OS users could cause host
OS memory corruption via rtas_args.nargs (bsc#1188838).
o CVE-2021-3609: Fixed a local privilege escalation via a race condition in
net/can/bcm.c (bsc#1187215).
Patch Instructions:
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:
o SUSE Linux Enterprise Server for SAP 12-SP3:
zypper in -t patch SUSE-SLE-SAP-12-SP3-2021-2840=1
SUSE-SLE-SAP-12-SP3-2021-2841=1 SUSE-SLE-SAP-12-SP3-2021-2842=1
SUSE-SLE-SAP-12-SP3-2021-2843=1 SUSE-SLE-SAP-12-SP3-2021-2844=1
SUSE-SLE-SAP-12-SP3-2021-2845=1
o SUSE Linux Enterprise Server 12-SP3-LTSS:
zypper in -t patch SUSE-SLE-SERVER-12-SP3-2021-2840=1
SUSE-SLE-SERVER-12-SP3-2021-2841=1 SUSE-SLE-SERVER-12-SP3-2021-2842=1
SUSE-SLE-SERVER-12-SP3-2021-2843=1 SUSE-SLE-SERVER-12-SP3-2021-2844=1
SUSE-SLE-SERVER-12-SP3-2021-2845=1
Package List:
o SUSE Linux Enterprise Server for SAP 12-SP3 (ppc64le x86_64):
kgraft-patch-4_4_180-94_127-default-14-2.2
kgraft-patch-4_4_180-94_127-default-debuginfo-14-2.2
kgraft-patch-4_4_180-94_130-default-13-2.2
kgraft-patch-4_4_180-94_130-default-debuginfo-13-2.2
kgraft-patch-4_4_180-94_135-default-11-2.2
kgraft-patch-4_4_180-94_135-default-debuginfo-11-2.2
kgraft-patch-4_4_180-94_138-default-9-2.2
kgraft-patch-4_4_180-94_138-default-debuginfo-9-2.2
kgraft-patch-4_4_180-94_141-default-8-2.2
kgraft-patch-4_4_180-94_141-default-debuginfo-8-2.2
kgraft-patch-4_4_180-94_144-default-5-2.1
kgraft-patch-4_4_180-94_144-default-debuginfo-5-2.1
o SUSE Linux Enterprise Server 12-SP3-LTSS (ppc64le x86_64):
kgraft-patch-4_4_180-94_127-default-14-2.2
kgraft-patch-4_4_180-94_127-default-debuginfo-14-2.2
kgraft-patch-4_4_180-94_130-default-13-2.2
kgraft-patch-4_4_180-94_130-default-debuginfo-13-2.2
kgraft-patch-4_4_180-94_135-default-11-2.2
kgraft-patch-4_4_180-94_135-default-debuginfo-11-2.2
kgraft-patch-4_4_180-94_138-default-9-2.2
kgraft-patch-4_4_180-94_138-default-debuginfo-9-2.2
kgraft-patch-4_4_180-94_141-default-8-2.2
kgraft-patch-4_4_180-94_141-default-debuginfo-8-2.2
kgraft-patch-4_4_180-94_144-default-5-2.1
kgraft-patch-4_4_180-94_144-default-debuginfo-5-2.1
References:
o https://www.suse.com/security/cve/CVE-2021-3609.html
o https://www.suse.com/security/cve/CVE-2021-37576.html
o https://bugzilla.suse.com/1188323
o https://bugzilla.suse.com/1188842
- --------------------------------------------------------------------------------
SUSE Security Update: Security update for the Linux Kernel (Live Patch 40 for
SLE 12 SP3)
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:2846-1
Rating: important
References: #1176931 #1182294 #1188842
Cross-References: CVE-2020-0429 CVE-2021-28688 CVE-2021-37576
Affected Products:
SUSE Linux Enterprise Server for SAP 12-SP3
SUSE Linux Enterprise Server 12-SP3-LTSS
______________________________________________________________________________
An update that fixes three vulnerabilities is now available.
Description:
This update for the Linux Kernel 4.4.180-94_147 fixes several issues.
The following security issues were fixed:
o CVE-2021-37576: On the powerpc platform KVM guest OS users could cause host
OS memory corruption via rtas_args.nargs (bsc#1188838).
o CVE-2021-28688: The fix for XSA-365 includes initialization of pointers
such that subsequent cleanup code wouldn't use uninitialized or stale
values. This initialization went too far and may under certain conditions
also overwrite pointers which are in need of cleaning up. (bsc#1183646)
o CVE-2020-0429: Fixed a potential local privilege escalation in
l2tp_session_delete and related functions of l2tp_core.c (bsc#1176724).
Patch Instructions:
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:
o SUSE Linux Enterprise Server for SAP 12-SP3:
zypper in -t patch SUSE-SLE-SAP-12-SP3-2021-2846=1
o SUSE Linux Enterprise Server 12-SP3-LTSS:
zypper in -t patch SUSE-SLE-SERVER-12-SP3-2021-2846=1
Package List:
o SUSE Linux Enterprise Server for SAP 12-SP3 (ppc64le x86_64):
kgraft-patch-4_4_180-94_147-default-2-2.1
kgraft-patch-4_4_180-94_147-default-debuginfo-2-2.1
o SUSE Linux Enterprise Server 12-SP3-LTSS (ppc64le x86_64):
kgraft-patch-4_4_180-94_147-default-2-2.1
kgraft-patch-4_4_180-94_147-default-debuginfo-2-2.1
References:
o https://www.suse.com/security/cve/CVE-2020-0429.html
o https://www.suse.com/security/cve/CVE-2021-28688.html
o https://www.suse.com/security/cve/CVE-2021-37576.html
o https://bugzilla.suse.com/1176931
o https://bugzilla.suse.com/1182294
o https://bugzilla.suse.com/1188842
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===========================================================================
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The University of Queensland
Brisbane
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