Security update for the Linux Kernel (Live Patch 26 for SLE 12 SP3) SUSE Patch security@suse.de SUSE Security Team SUSE-SU-2019:1935-1 Final 1 1 2019-07-23T08:08:58Z current 2019-07-23T08:08:58Z 2019-07-23T08:08:58Z cve-database/bin/generate-cvrf.pl 2017-02-24T01:00:00Z Security update for the Linux Kernel (Live Patch 26 for SLE 12 SP3) This update for the Linux Kernel 4.4.180-94_97 fixes one issue. The following security issue was fixed: This update contains a regression fix for CVE-2019-11478 (bsc#1140747). The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). SUSE-2019-1935,SUSE-SLE-Live-Patching-12-SP4-2019-1941,SUSE-SLE-SAP-12-SP1-2019-1927,SUSE-SLE-SAP-12-SP2-2019-1935,SUSE-SLE-SAP-12-SP3-2019-1953,SUSE-SLE-SERVER-12-SP1-2019-1927,SUSE-SLE-SERVER-12-SP2-2019-1935,SUSE-SLE-SERVER-12-SP3-2019-1953 Copyright SUSE LLC under the Creative Commons License 4.0 with Attribution (CC-BY-4.0) https://www.suse.com/support/update/announcement/2019/suse-su-20191935-1/ Link for SUSE-SU-2019:1935-1 https://lists.suse.com/pipermail/sle-security-updates/2019-July/005741.html E-Mail link for SUSE-SU-2019:1935-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings https://bugzilla.suse.com/1140747 SUSE Bug 1140747 https://www.suse.com/security/cve/CVE-2019-11478/ SUSE CVE CVE-2019-11478 page SUSE Linux Enterprise Live Patching 12 SP4 SUSE Linux Enterprise Server 12 SP1-LTSS SUSE Linux Enterprise Server 12 SP2-LTSS SUSE Linux Enterprise Server 12 SP3-LTSS SUSE Linux Enterprise Server for SAP Applications 12 SP1 SUSE Linux Enterprise Server for SAP Applications 12 SP2 SUSE Linux Enterprise Server for SAP Applications 12 SP3 kgraft-patch-4_4_121-92_114-default-3-2.1 kgraft-patch-4_12_14-95_19-default-2-2.1 kgraft-patch-3_12_74-60_64_115-default-3-2.1 kgraft-patch-3_12_74-60_64_115-xen-3-2.1 kgraft-patch-4_4_180-94_97-default-3-2.1 kgraft-patch-4_12_14-95_19-default-2-2.1 as a component of SUSE Linux Enterprise Live Patching 12 SP4 kgraft-patch-3_12_74-60_64_115-default-3-2.1 as a component of SUSE Linux Enterprise Server 12 SP1-LTSS kgraft-patch-3_12_74-60_64_115-xen-3-2.1 as a component of SUSE Linux Enterprise Server 12 SP1-LTSS kgraft-patch-4_4_121-92_114-default-3-2.1 as a component of SUSE Linux Enterprise Server 12 SP2-LTSS kgraft-patch-4_4_180-94_97-default-3-2.1 as a component of SUSE Linux Enterprise Server 12 SP3-LTSS kgraft-patch-3_12_74-60_64_115-default-3-2.1 as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP1 kgraft-patch-3_12_74-60_64_115-xen-3-2.1 as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP1 kgraft-patch-4_4_121-92_114-default-3-2.1 as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP2 kgraft-patch-4_4_180-94_97-default-3-2.1 as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP3 Jonathan Looney discovered that the TCP retransmission queue implementation in tcp_fragment in the Linux kernel could be fragmented when handling certain TCP Selective Acknowledgment (SACK) sequences. A remote attacker could use this to cause a denial of service. This has been fixed in stable kernel releases 4.4.182, 4.9.182, 4.14.127, 4.19.52, 5.1.11, and is fixed in commit f070ef2ac66716357066b683fb0baf55f8191a2e. CVE-2019-11478 SUSE Linux Enterprise Live Patching 12 SP4:kgraft-patch-4_12_14-95_19-default-2-2.1 SUSE Linux Enterprise Server 12 SP1-LTSS:kgraft-patch-3_12_74-60_64_115-default-3-2.1 SUSE Linux Enterprise Server 12 SP1-LTSS:kgraft-patch-3_12_74-60_64_115-xen-3-2.1 SUSE Linux Enterprise Server 12 SP2-LTSS:kgraft-patch-4_4_121-92_114-default-3-2.1 SUSE Linux Enterprise Server 12 SP3-LTSS:kgraft-patch-4_4_180-94_97-default-3-2.1 SUSE Linux Enterprise Server for SAP Applications 12 SP1:kgraft-patch-3_12_74-60_64_115-default-3-2.1 SUSE Linux Enterprise Server for SAP Applications 12 SP1:kgraft-patch-3_12_74-60_64_115-xen-3-2.1 SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_114-default-3-2.1 SUSE Linux Enterprise Server for SAP Applications 12 SP3:kgraft-patch-4_4_180-94_97-default-3-2.1 important To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2019/suse-su-20191935-1/ https://www.suse.com/security/cve/CVE-2019-11478.html CVE-2019-11478 https://bugzilla.suse.com/1132686 SUSE Bug 1132686 https://bugzilla.suse.com/1137586 SUSE Bug 1137586 https://bugzilla.suse.com/1142129 SUSE Bug 1142129 https://bugzilla.suse.com/1143542 SUSE Bug 1143542