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AUSCERT External Security Bulletin Redistribution
ESB-2021.3969
Security update for the Linux Kernel (Live Patch 15 and 38 for SLE 12 SP5)
22 November 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Linux Kernel
Publisher: SUSE
Operating System: SUSE
Impact/Access: Increased Privileges -- Existing Account
Denial of Service -- Existing Account
Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-41864 CVE-2021-3752 CVE-2021-0935
Reference: ESB-2021.3938
ESB-2021.3927
ESB-2021.3872
ESB-2021.3867
Original Bulletin:
https://www.suse.com/support/update/announcement/2021/suse-su-20213735-1
https://www.suse.com/support/update/announcement/2021/suse-su-20213751-1
Comment: This bulletin contains two (2) SUSE security advisories.
- --------------------------BEGIN INCLUDED TEXT--------------------
SUSE Security Update: Security update for the Linux Kernel (Live Patch 15 for
SLE 12 SP5)
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:3735-1
Rating: important
References: #1190432 #1191318 #1192042
Cross-References: CVE-2021-0935 CVE-2021-3752 CVE-2021-41864
Affected Products:
SUSE Linux Enterprise Module for Live Patching 15
SUSE Linux Enterprise Live Patching 12-SP5
SUSE Linux Enterprise Live Patching 12-SP4
______________________________________________________________________________
An update that fixes three vulnerabilities is now available.
Description:
This update for the Linux Kernel 4.12.14-122_60 fixes several issues.
The following security issues were fixed:
o CVE-2021-0935: Fixed use after free that could lead to local escalation of
privilege in ip6_xmit of ip6_output.c (bsc#1192042).
o CVE-2021-3752: Fixed vulnerability in the linux kernel Bluetooth uaf module
(bsc#1190432).
o CVE-2021-41864: Fixed an integer overflow with a resultant out-of-bounds
write in prealloc_elems_and_freelist in kernel/bpf/stackmap.c (bsc#
1191318).
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 Module for Live Patching 15:
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-2021-3736=1
o SUSE Linux Enterprise Live Patching 12-SP5:
zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2021-3735=1
o SUSE Linux Enterprise Live Patching 12-SP4:
zypper in -t patch SUSE-SLE-Live-Patching-12-SP4-2021-3734=1
Package List:
o SUSE Linux Enterprise Module for Live Patching 15 (ppc64le x86_64):
kernel-livepatch-4_12_14-150_66-default-12-2.2
kernel-livepatch-4_12_14-150_66-default-debuginfo-12-2.2
o SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64):
kgraft-patch-4_12_14-122_60-default-12-2.2
o SUSE Linux Enterprise Live Patching 12-SP4 (ppc64le s390x x86_64):
kgraft-patch-4_12_14-95_74-default-8-2.2
References:
o https://www.suse.com/security/cve/CVE-2021-0935.html
o https://www.suse.com/security/cve/CVE-2021-3752.html
o https://www.suse.com/security/cve/CVE-2021-41864.html
o https://bugzilla.suse.com/1190432
o https://bugzilla.suse.com/1191318
o https://bugzilla.suse.com/1192042
- -----------------------------------------------------------------------------------------------------
SUSE Security Update: Security update for the Linux Kernel (Live Patch 38 for
SLE 12 SP3)
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:3751-1
Rating: important
References: #1190432 #1192042
Cross-References: CVE-2021-0935 CVE-2021-3752
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_141 fixes several issues.
The following security issues were fixed:
o CVE-2021-0935: Fixed use after free that could lead to local escalation of
privilege in ip6_xmit of ip6_output.c (bsc#1192042).
o CVE-2021-3752: Fixed vulnerability in the linux kernel Bluetooth uaf module
(bsc#1190432).
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-SP3-2021-3749=1
SUSE-SLE-SAP-12-SP3-2021-3750=1 SUSE-SLE-SAP-12-SP3-2021-3751=1
SUSE-SLE-SAP-12-SP3-2021-3752=1 SUSE-SLE-SAP-12-SP3-2021-3753=1
o SUSE Linux Enterprise Server 12-SP3-LTSS:
zypper in -t patch SUSE-SLE-SERVER-12-SP3-2021-3749=1
SUSE-SLE-SERVER-12-SP3-2021-3750=1 SUSE-SLE-SERVER-12-SP3-2021-3751=1
SUSE-SLE-SERVER-12-SP3-2021-3752=1 SUSE-SLE-SERVER-12-SP3-2021-3753=1
Package List:
o SUSE Linux Enterprise Server for SAP 12-SP3 (ppc64le x86_64):
kgraft-patch-4_4_180-94_135-default-14-2.2
kgraft-patch-4_4_180-94_135-default-debuginfo-14-2.2
kgraft-patch-4_4_180-94_138-default-12-2.2
kgraft-patch-4_4_180-94_138-default-debuginfo-12-2.2
kgraft-patch-4_4_180-94_141-default-11-2.2
kgraft-patch-4_4_180-94_141-default-debuginfo-11-2.2
kgraft-patch-4_4_180-94_144-default-8-2.2
kgraft-patch-4_4_180-94_144-default-debuginfo-8-2.2
kgraft-patch-4_4_180-94_147-default-5-2.2
kgraft-patch-4_4_180-94_147-default-debuginfo-5-2.2
o SUSE Linux Enterprise Server 12-SP3-LTSS (ppc64le x86_64):
kgraft-patch-4_4_180-94_135-default-14-2.2
kgraft-patch-4_4_180-94_135-default-debuginfo-14-2.2
kgraft-patch-4_4_180-94_138-default-12-2.2
kgraft-patch-4_4_180-94_138-default-debuginfo-12-2.2
kgraft-patch-4_4_180-94_141-default-11-2.2
kgraft-patch-4_4_180-94_141-default-debuginfo-11-2.2
kgraft-patch-4_4_180-94_144-default-8-2.2
kgraft-patch-4_4_180-94_144-default-debuginfo-8-2.2
kgraft-patch-4_4_180-94_147-default-5-2.2
kgraft-patch-4_4_180-94_147-default-debuginfo-5-2.2
References:
o https://www.suse.com/security/cve/CVE-2021-0935.html
o https://www.suse.com/security/cve/CVE-2021-3752.html
o https://bugzilla.suse.com/1190432
o https://bugzilla.suse.com/1192042
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The University of Queensland
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