SUSE Security Update: Security update for the Linux Kernel (Live Patch 37 for SLE 12 SP3)
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Announcement ID: SUSE-SU-2021:4057-1
Rating: important
References: #1191813
Cross-References: CVE-2021-20322
CVSS scores:
CVE-2021-20322 (SUSE): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected Products:
SUSE Linux Enterprise Server for SAP 12-SP3
SUSE Linux Enterprise Server 12-SP3-LTSS
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An update that fixes one vulnerability is now available.
Description:
This update for the Linux Kernel 4.4.180-94_138 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)
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:
- SUSE Linux Enterprise Server for SAP 12-SP3:
zypper in -t patch SUSE-SLE-SAP-12-SP3-2021-4053=1 SUSE-SLE-SAP-12-SP3-2021-4054=1 SUSE-SLE-SAP-12-SP3-2021-4055=1 SUSE-SLE-SAP-12-SP3-2021-4057=1
- SUSE Linux Enterprise Server 12-SP3-LTSS:
zypper in -t patch SUSE-SLE-SERVER-12-SP3-2021-4053=1 SUSE-SLE-SERVER-12-SP3-2021-4054=1 SUSE-SLE-SERVER-12-SP3-2021-4055=1 SUSE-SLE-SERVER-12-SP3-2021-4057=1
Package List:
- SUSE Linux Enterprise Server for SAP 12-SP3 (ppc64le x86_64):
kgraft-patch-4_4_180-94_138-default-13-2.2
kgraft-patch-4_4_180-94_138-default-debuginfo-13-2.2
kgraft-patch-4_4_180-94_141-default-12-2.2
kgraft-patch-4_4_180-94_141-default-debuginfo-12-2.2
kgraft-patch-4_4_180-94_144-default-9-2.1
kgraft-patch-4_4_180-94_144-default-debuginfo-9-2.1
kgraft-patch-4_4_180-94_147-default-6-2.1
kgraft-patch-4_4_180-94_147-default-debuginfo-6-2.1
- SUSE Linux Enterprise Server 12-SP3-LTSS (ppc64le x86_64):
kgraft-patch-4_4_180-94_138-default-13-2.2
kgraft-patch-4_4_180-94_138-default-debuginfo-13-2.2
kgraft-patch-4_4_180-94_141-default-12-2.2
kgraft-patch-4_4_180-94_141-default-debuginfo-12-2.2
kgraft-patch-4_4_180-94_144-default-9-2.1
kgraft-patch-4_4_180-94_144-default-debuginfo-9-2.1
kgraft-patch-4_4_180-94_147-default-6-2.1
kgraft-patch-4_4_180-94_147-default-debuginfo-6-2.1
References:
https://www.suse.com/security/cve/CVE-2021-20322.html
https://bugzilla.suse.com/1191813