{"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 5 for SLE 12 SP3)","title":"Title of the patch"},{"category":"description","text":"This update for the Linux Kernel 4.4.92-6_30 fixes several issues.\n\nThe following security issues were fixed:\n\n- CVE-2018-5391: Fixed a possible denial of service attack with low rates of specially modified packets targeting IP fragment re-assembly. An attacker may cause a denial of service condition by sending specially crafted IP fragments. The current vulnerability (CVE-2018-5391) became exploitable in the Linux kernel with the increase of the IP fragment reassembly queue size (bsc#1103098).\n- CVE-2018-18386: The drivers/tty/n_tty.c allowed local attackers (who are able to access pseudo terminals) to hang/block further usage of any pseudo terminal devices due to an EXTPROC versus ICANON confusion in TIOCINQ (bsc#1112039).\n","title":"Description of the patch"},{"category":"details","text":"SUSE-SLE-Live-Patching-12-SP3-2018-2747,SUSE-SLE-Live-Patching-12-SP3-2018-2748,SUSE-SLE-Live-Patching-12-SP3-2018-2749","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-2018_3865-1.json"},{"category":"self","summary":"URL for SUSE-SU-2018:3865-1","url":"https://www.suse.com/support/update/announcement/2018/suse-su-20183865-1/"},{"category":"self","summary":"E-Mail link for SUSE-SU-2018:3865-1","url":"https://lists.suse.com/pipermail/sle-security-updates/2018-November/004874.html"},{"category":"self","summary":"SUSE Bug 1103098","url":"https://bugzilla.suse.com/1103098"},{"category":"self","summary":"SUSE Bug 1112039","url":"https://bugzilla.suse.com/1112039"},{"category":"self","summary":"SUSE CVE CVE-2018-18386 page","url":"https://www.suse.com/security/cve/CVE-2018-18386/"},{"category":"self","summary":"SUSE CVE CVE-2018-5391 page","url":"https://www.suse.com/security/cve/CVE-2018-5391/"}],"title":"Security update for the Linux Kernel (Live Patch 5 for SLE 12 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EXTPROC versus ICANON confusion in TIOCINQ.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Live Patching 12 SP3:kgraft-patch-4_4_103-6_33-default-11-2.1.ppc64le","SUSE Linux Enterprise Live Patching 12 SP3:kgraft-patch-4_4_103-6_33-default-11-2.1.x86_64","SUSE Linux Enterprise Live Patching 12 SP3:kgraft-patch-4_4_103-6_38-default-11-2.1.ppc64le","SUSE Linux Enterprise Live Patching 12 SP3:kgraft-patch-4_4_103-6_38-default-11-2.1.x86_64","SUSE Linux Enterprise Live Patching 12 SP3:kgraft-patch-4_4_92-6_30-default-11-2.1.ppc64le","SUSE Linux Enterprise Live Patching 12 SP3:kgraft-patch-4_4_92-6_30-default-11-2.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2018-18386","url":"https://www.suse.com/security/cve/CVE-2018-18386"},{"category":"external","summary":"SUSE Bug 1094825 for CVE-2018-18386","url":"https://bugzilla.suse.com/1094825"},{"category":"external","summary":"SUSE Bug 1112039 for 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An attacker may cause a denial of service condition by sending specially crafted IP fragments. Various vulnerabilities in IP fragmentation have been discovered and fixed over the years. The current vulnerability (CVE-2018-5391) became exploitable in the Linux kernel with the increase of the IP fragment reassembly queue size.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Live Patching 12 SP3:kgraft-patch-4_4_103-6_33-default-11-2.1.ppc64le","SUSE Linux Enterprise Live Patching 12 SP3:kgraft-patch-4_4_103-6_33-default-11-2.1.x86_64","SUSE Linux Enterprise Live Patching 12 SP3:kgraft-patch-4_4_103-6_38-default-11-2.1.ppc64le","SUSE Linux Enterprise Live Patching 12 SP3:kgraft-patch-4_4_103-6_38-default-11-2.1.x86_64","SUSE Linux Enterprise Live Patching 12 SP3:kgraft-patch-4_4_92-6_30-default-11-2.1.ppc64le","SUSE Linux Enterprise Live Patching 12 SP3:kgraft-patch-4_4_92-6_30-default-11-2.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2018-5391","url":"https://www.suse.com/security/cve/CVE-2018-5391"},{"category":"external","summary":"SUSE Bug 1087082 for CVE-2018-5391","url":"https://bugzilla.suse.com/1087082"},{"category":"external","summary":"SUSE Bug 1102340 for CVE-2018-5391","url":"https://bugzilla.suse.com/1102340"},{"category":"external","summary":"SUSE Bug 1103097 for CVE-2018-5391","url":"https://bugzilla.suse.com/1103097"},{"category":"external","summary":"SUSE Bug 1103098 for CVE-2018-5391","url":"https://bugzilla.suse.com/1103098"},{"category":"external","summary":"SUSE Bug 1108654 for CVE-2018-5391","url":"https://bugzilla.suse.com/1108654"},{"category":"external","summary":"SUSE Bug 1114071 for CVE-2018-5391","url":"https://bugzilla.suse.com/1114071"},{"category":"external","summary":"SUSE Bug 1121102 for CVE-2018-5391","url":"https://bugzilla.suse.com/1121102"},{"category":"external","summary":"SUSE Bug 1134140 for CVE-2018-5391","url":"https://bugzilla.suse.com/1134140"},{"category":"external","summary":"SUSE Bug 1181460 for CVE-2018-5391","url":"https://bugzilla.suse.com/1181460"}],"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 12 SP3:kgraft-patch-4_4_103-6_33-default-11-2.1.ppc64le","SUSE Linux Enterprise Live Patching 12 SP3:kgraft-patch-4_4_103-6_33-default-11-2.1.x86_64","SUSE Linux Enterprise Live Patching 12 SP3:kgraft-patch-4_4_103-6_38-default-11-2.1.ppc64le","SUSE Linux Enterprise Live Patching 12 SP3:kgraft-patch-4_4_103-6_38-default-11-2.1.x86_64","SUSE Linux Enterprise Live Patching 12 SP3:kgraft-patch-4_4_92-6_30-default-11-2.1.ppc64le","SUSE Linux Enterprise Live Patching 12 SP3:kgraft-patch-4_4_92-6_30-default-11-2.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.0"},"products":["SUSE Linux Enterprise Live Patching 12 SP3:kgraft-patch-4_4_103-6_33-default-11-2.1.ppc64le","SUSE Linux Enterprise Live Patching 12 SP3:kgraft-patch-4_4_103-6_33-default-11-2.1.x86_64","SUSE Linux Enterprise Live Patching 12 SP3:kgraft-patch-4_4_103-6_38-default-11-2.1.ppc64le","SUSE Linux Enterprise Live Patching 12 SP3:kgraft-patch-4_4_103-6_38-default-11-2.1.x86_64","SUSE Linux Enterprise Live Patching 12 SP3:kgraft-patch-4_4_92-6_30-default-11-2.1.ppc64le","SUSE Linux Enterprise Live Patching 12 SP3:kgraft-patch-4_4_92-6_30-default-11-2.1.x86_64"]}],"threats":[{"category":"impact","date":"2018-11-22T15:20:29Z","details":"moderate"}],"title":"CVE-2018-5391"}]}