{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"important"},"category":"csaf_security_advisory","csaf_version":"2.0","distribution":{"text":"Copyright 2024 SUSE LLC. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"summary","text":"Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP1)","title":"Title of the patch"},{"category":"description","text":"This update for the Linux Kernel 4.12.14-195 fixes several issues.\n\nThe following security issues were fixed:\n\n- CVE-2019-11477: Jonathan Looney discovered that the TCP_SKB_CB(skb)->tcp_gso_segs value was subject to an integer overflow when handling TCP Selective Acknowledgments (SACKs). A remote attacker could use this to cause a denial of service. (bsc#1137586)\n- CVE-2019-11478: Jonathan Looney discovered that the TCP retransmission queue implementation in tcp_fragment could be fragmented when handling certain TCP Selective Acknowledgment (SACK) sequences. A remote attacker could use this to cause a denial of service. (bsc#1137586)\n\nThis update contains a regression fix for CVE-2019-11477 and CVE-2019-11478 (bsc#1140747).\n","title":"Description of the patch"},{"category":"details","text":"SUSE-2019-1889,SUSE-SLE-Module-Live-Patching-15-SP1-2019-1889","title":"Patchnames"},{"category":"legal_disclaimer","text":"CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).","title":"Terms of use"}],"publisher":{"category":"vendor","contact_details":"https://www.suse.com/support/security/contact/","name":"SUSE Product Security Team","namespace":"https://www.suse.com/"},"references":[{"category":"external","summary":"SUSE ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"self","summary":"URL of this CSAF notice","url":"https://ftp.suse.com/pub/projects/security/csaf/suse-su-2019_1889-1.json"},{"category":"self","summary":"URL for SUSE-SU-2019:1889-1","url":"https://www.suse.com/support/update/announcement/2019/suse-su-20191889-1/"},{"category":"self","summary":"E-Mail link for SUSE-SU-2019:1889-1","url":"https://lists.suse.com/pipermail/sle-security-updates/2019-July/005730.html"},{"category":"self","summary":"SUSE Bug 1137597","url":"https://bugzilla.suse.com/1137597"},{"category":"self","summary":"SUSE Bug 1140747","url":"https://bugzilla.suse.com/1140747"},{"category":"self","summary":"SUSE CVE CVE-2019-11477 page","url":"https://www.suse.com/security/cve/CVE-2019-11477/"},{"category":"self","summary":"SUSE CVE CVE-2019-11478 page","url":"https://www.suse.com/security/cve/CVE-2019-11478/"}],"title":"Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP1)","tracking":{"current_release_date":"2019-07-18T12:06:21Z","generator":{"date":"2019-07-18T12:06:21Z","engine":{"name":"cve-database.git:bin/generate-csaf.pl","version":"1"}},"id":"SUSE-SU-2019:1889-1","initial_release_date":"2019-07-18T12:06:21Z","revision_history":[{"date":"2019-07-18T12:06:21Z","number":"1","summary":"Current version"}],"status":"final","version":"1"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_version","name":"kernel-livepatch-4_12_14-195-default-4-10.1.ppc64le","product":{"name":"kernel-livepatch-4_12_14-195-default-4-10.1.ppc64le","product_id":"kernel-livepatch-4_12_14-195-default-4-10.1.ppc64le"}}],"category":"architecture","name":"ppc64le"},{"branches":[{"category":"product_version","name":"kernel-livepatch-4_12_14-195-default-4-10.1.x86_64","product":{"name":"kernel-livepatch-4_12_14-195-default-4-10.1.x86_64","product_id":"kernel-livepatch-4_12_14-195-default-4-10.1.x86_64"}}],"category":"architecture","name":"x86_64"},{"branches":[{"category":"product_name","name":"SUSE Linux Enterprise Live Patching 15 SP1","product":{"name":"SUSE Linux Enterprise Live Patching 15 SP1","product_id":"SUSE Linux Enterprise Live Patching 15 SP1","product_identification_helper":{"cpe":"cpe:/o:suse:sle-module-live-patching:15:sp1"}}}],"category":"product_family","name":"SUSE Linux Enterprise"}],"category":"vendor","name":"SUSE"}],"relationships":[{"category":"default_component_of","full_product_name":{"name":"kernel-livepatch-4_12_14-195-default-4-10.1.ppc64le as component of SUSE Linux Enterprise Live Patching 15 SP1","product_id":"SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-195-default-4-10.1.ppc64le"},"product_reference":"kernel-livepatch-4_12_14-195-default-4-10.1.ppc64le","relates_to_product_reference":"SUSE Linux Enterprise Live Patching 15 SP1"},{"category":"default_component_of","full_product_name":{"name":"kernel-livepatch-4_12_14-195-default-4-10.1.x86_64 as component of SUSE Linux Enterprise Live Patching 15 SP1","product_id":"SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-195-default-4-10.1.x86_64"},"product_reference":"kernel-livepatch-4_12_14-195-default-4-10.1.x86_64","relates_to_product_reference":"SUSE Linux Enterprise Live Patching 15 SP1"}]},"vulnerabilities":[{"cve":"CVE-2019-11477","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2019-11477"}],"notes":[{"category":"general","text":"Jonathan Looney discovered that the TCP_SKB_CB(skb)->tcp_gso_segs value was subject to an integer overflow in the Linux kernel when handling TCP Selective Acknowledgments (SACKs). 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 3b4929f65b0d8249f19a50245cd88ed1a2f78cff.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-195-default-4-10.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-195-default-4-10.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2019-11477","url":"https://www.suse.com/security/cve/CVE-2019-11477"},{"category":"external","summary":"SUSE Bug 1132686 for CVE-2019-11477","url":"https://bugzilla.suse.com/1132686"},{"category":"external","summary":"SUSE Bug 1137586 for CVE-2019-11477","url":"https://bugzilla.suse.com/1137586"},{"category":"external","summary":"SUSE Bug 1142129 for CVE-2019-11477","url":"https://bugzilla.suse.com/1142129"},{"category":"external","summary":"SUSE Bug 1153242 for CVE-2019-11477","url":"https://bugzilla.suse.com/1153242"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-195-default-4-10.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-195-default-4-10.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":8.2,"baseSeverity":"HIGH","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","version":"3.0"},"products":["SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-195-default-4-10.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-195-default-4-10.1.x86_64"]}],"threats":[{"category":"impact","date":"2019-07-18T12:06:21Z","details":"important"}],"title":"CVE-2019-11477"},{"cve":"CVE-2019-11478","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2019-11478"}],"notes":[{"category":"general","text":"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.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-195-default-4-10.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-195-default-4-10.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2019-11478","url":"https://www.suse.com/security/cve/CVE-2019-11478"},{"category":"external","summary":"SUSE Bug 1132686 for CVE-2019-11478","url":"https://bugzilla.suse.com/1132686"},{"category":"external","summary":"SUSE Bug 1137586 for CVE-2019-11478","url":"https://bugzilla.suse.com/1137586"},{"category":"external","summary":"SUSE Bug 1142129 for CVE-2019-11478","url":"https://bugzilla.suse.com/1142129"},{"category":"external","summary":"SUSE Bug 1143542 for CVE-2019-11478","url":"https://bugzilla.suse.com/1143542"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-195-default-4-10.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-195-default-4-10.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.0"},"products":["SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-195-default-4-10.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-195-default-4-10.1.x86_64"]}],"threats":[{"category":"impact","date":"2019-07-18T12:06:21Z","details":"important"}],"title":"CVE-2019-11478"}]}