{"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 RT (Live Patch 1 for SLE 15 SP5)","title":"Title of the patch"},{"category":"description","text":"This update for the Linux Kernel 5.14.21-150500_13_5 fixes several issues.\n\nThe following security issues were fixed:\n\n- CVE-2023-2156: Fixed a flaw in the networking subsystem within the handling of the RPL protocol (bsc#1211395).\n- CVE-2023-35001: Fixed an out-of-bounds memory access flaw in nft_byteorder that could allow a local attacker to escalate their privilege (bsc#1213063).\n- CVE-2023-3090: Fixed a heap out-of-bounds write in the ipvlan network driver (bsc#1212849).\n","title":"Description of the patch"},{"category":"details","text":"SUSE-2023-3676,SUSE-2023-3679,SUSE-SLE-Module-Live-Patching-15-SP4-2023-3676,SUSE-SLE-Module-Live-Patching-15-SP5-2023-3679","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-2023_3676-1.json"},{"category":"self","summary":"URL for SUSE-SU-2023:3676-1","url":"https://www.suse.com/support/update/announcement/2023/suse-su-20233676-1/"},{"category":"self","summary":"E-Mail link for SUSE-SU-2023:3676-1","url":"https://lists.suse.com/pipermail/sle-updates/2023-September/031545.html"},{"category":"self","summary":"SUSE Bug 1211395","url":"https://bugzilla.suse.com/1211395"},{"category":"self","summary":"SUSE Bug 1212849","url":"https://bugzilla.suse.com/1212849"},{"category":"self","summary":"SUSE Bug 1213063","url":"https://bugzilla.suse.com/1213063"},{"category":"self","summary":"SUSE CVE CVE-2023-2156 page","url":"https://www.suse.com/security/cve/CVE-2023-2156/"},{"category":"self","summary":"SUSE CVE CVE-2023-3090 page","url":"https://www.suse.com/security/cve/CVE-2023-3090/"},{"category":"self","summary":"SUSE CVE CVE-2023-35001 page","url":"https://www.suse.com/security/cve/CVE-2023-35001/"}],"title":"Security update for the Linux Kernel RT (Live Patch 1 for SLE 15 SP5)","tracking":{"current_release_date":"2023-09-19T11:06:48Z","generator":{"date":"2023-09-19T11:06:48Z","engine":{"name":"cve-database.git:bin/generate-csaf.pl","version":"1"}},"id":"SUSE-SU-2023:3676-1","initial_release_date":"2023-09-19T11:06:48Z","revision_history":[{"date":"2023-09-19T11:06:48Z","number":"1","summary":"Current version"}],"status":"final","version":"1"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_version","name":"kernel-livepatch-5_14_21-150400_15_37-rt-2-150400.2.1.x86_64","product":{"name":"kernel-livepatch-5_14_21-150400_15_37-rt-2-150400.2.1.x86_64","product_id":"kernel-livepatch-5_14_21-150400_15_37-rt-2-150400.2.1.x86_64"}},{"category":"product_version","name":"kernel-livepatch-5_14_21-150500_13_5-rt-2-150500.2.1.x86_64","product":{"name":"kernel-livepatch-5_14_21-150500_13_5-rt-2-150500.2.1.x86_64","product_id":"kernel-livepatch-5_14_21-150500_13_5-rt-2-150500.2.1.x86_64"}}],"category":"architecture","name":"x86_64"},{"branches":[{"category":"product_name","name":"SUSE Linux Enterprise Live Patching 15 SP4","product":{"name":"SUSE Linux Enterprise Live Patching 15 SP4","product_id":"SUSE Linux Enterprise Live Patching 15 SP4","product_identification_helper":{"cpe":"cpe:/o:suse:sle-module-live-patching:15:sp4"}}},{"category":"product_name","name":"SUSE Linux Enterprise Live Patching 15 SP5","product":{"name":"SUSE Linux Enterprise Live Patching 15 SP5","product_id":"SUSE Linux Enterprise Live Patching 15 SP5","product_identification_helper":{"cpe":"cpe:/o:suse:sle-module-live-patching:15:sp5"}}}],"category":"product_family","name":"SUSE Linux Enterprise"}],"category":"vendor","name":"SUSE"}],"relationships":[{"category":"default_component_of","full_product_name":{"name":"kernel-livepatch-5_14_21-150400_15_37-rt-2-150400.2.1.x86_64 as component of SUSE Linux Enterprise Live Patching 15 SP4","product_id":"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_15_37-rt-2-150400.2.1.x86_64"},"product_reference":"kernel-livepatch-5_14_21-150400_15_37-rt-2-150400.2.1.x86_64","relates_to_product_reference":"SUSE Linux Enterprise Live Patching 15 SP4"},{"category":"default_component_of","full_product_name":{"name":"kernel-livepatch-5_14_21-150500_13_5-rt-2-150500.2.1.x86_64 as component of SUSE Linux Enterprise Live Patching 15 SP5","product_id":"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_13_5-rt-2-150500.2.1.x86_64"},"product_reference":"kernel-livepatch-5_14_21-150500_13_5-rt-2-150500.2.1.x86_64","relates_to_product_reference":"SUSE Linux Enterprise Live Patching 15 SP5"}]},"vulnerabilities":[{"cve":"CVE-2023-2156","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2023-2156"}],"notes":[{"category":"general","text":"A flaw was found in the networking subsystem of the Linux kernel within the handling of the RPL protocol. This issue results from the lack of proper handling of user-supplied data, which can lead to an assertion failure. This may allow an unauthenticated remote attacker to create a denial of service condition on the system.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_15_37-rt-2-150400.2.1.x86_64","SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_13_5-rt-2-150500.2.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2023-2156","url":"https://www.suse.com/security/cve/CVE-2023-2156"},{"category":"external","summary":"SUSE Bug 1211131 for CVE-2023-2156","url":"https://bugzilla.suse.com/1211131"},{"category":"external","summary":"SUSE Bug 1211395 for CVE-2023-2156","url":"https://bugzilla.suse.com/1211395"}],"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 SP4:kernel-livepatch-5_14_21-150400_15_37-rt-2-150400.2.1.x86_64","SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_13_5-rt-2-150500.2.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"products":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_15_37-rt-2-150400.2.1.x86_64","SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_13_5-rt-2-150500.2.1.x86_64"]}],"threats":[{"category":"impact","date":"2023-09-19T11:06:48Z","details":"important"}],"title":"CVE-2023-2156"},{"cve":"CVE-2023-3090","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2023-3090"}],"notes":[{"category":"general","text":"A heap out-of-bounds write vulnerability in the Linux Kernel ipvlan network driver can be exploited to achieve local privilege escalation.\n\nThe out-of-bounds write is caused by missing skb->cb  initialization in the ipvlan network driver. The vulnerability is reachable if  CONFIG_IPVLAN is enabled.\n\n\nWe recommend upgrading past commit 90cbed5247439a966b645b34eb0a2e037836ea8e.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_15_37-rt-2-150400.2.1.x86_64","SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_13_5-rt-2-150500.2.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2023-3090","url":"https://www.suse.com/security/cve/CVE-2023-3090"},{"category":"external","summary":"SUSE Bug 1212842 for CVE-2023-3090","url":"https://bugzilla.suse.com/1212842"},{"category":"external","summary":"SUSE Bug 1212849 for CVE-2023-3090","url":"https://bugzilla.suse.com/1212849"},{"category":"external","summary":"SUSE Bug 1214128 for CVE-2023-3090","url":"https://bugzilla.suse.com/1214128"},{"category":"external","summary":"SUSE Bug 1219701 for CVE-2023-3090","url":"https://bugzilla.suse.com/1219701"}],"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 SP4:kernel-livepatch-5_14_21-150400_15_37-rt-2-150400.2.1.x86_64","SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_13_5-rt-2-150500.2.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"products":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_15_37-rt-2-150400.2.1.x86_64","SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_13_5-rt-2-150500.2.1.x86_64"]}],"threats":[{"category":"impact","date":"2023-09-19T11:06:48Z","details":"important"}],"title":"CVE-2023-3090"},{"cve":"CVE-2023-35001","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2023-35001"}],"notes":[{"category":"general","text":"Linux Kernel nftables Out-Of-Bounds Read/Write Vulnerability; nft_byteorder poorly handled vm register contents when CAP_NET_ADMIN is in any user or network namespace","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_15_37-rt-2-150400.2.1.x86_64","SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_13_5-rt-2-150500.2.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2023-35001","url":"https://www.suse.com/security/cve/CVE-2023-35001"},{"category":"external","summary":"SUSE Bug 1213059 for CVE-2023-35001","url":"https://bugzilla.suse.com/1213059"},{"category":"external","summary":"SUSE Bug 1213063 for CVE-2023-35001","url":"https://bugzilla.suse.com/1213063"},{"category":"external","summary":"SUSE Bug 1217531 for CVE-2023-35001","url":"https://bugzilla.suse.com/1217531"}],"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 SP4:kernel-livepatch-5_14_21-150400_15_37-rt-2-150400.2.1.x86_64","SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_13_5-rt-2-150500.2.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"products":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_15_37-rt-2-150400.2.1.x86_64","SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_13_5-rt-2-150500.2.1.x86_64"]}],"threats":[{"category":"impact","date":"2023-09-19T11:06:48Z","details":"important"}],"title":"CVE-2023-35001"}]}