{"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 6 for SLE 15 SP5)","title":"Title of the patch"},{"category":"description","text":"This update for the Linux Kernel 5.14.21-150500_13_21 fixes several issues.\n\nThe following security issues were fixed:\n\n- CVE-2023-3777: Fixed a use-after-free vulnerability in netfilter: nf_tables component can be exploited to achieve local privilege escalation. (bsc#1215097)\n- CVE-2023-2163: Fixed an incorrect verifier pruning in BPF that could lead to unsafe code paths being incorrectly marked as safe, resulting in arbitrary read/write in kernel memory, lateral privilege escalation, and container escape. (bsc#1215519)\n","title":"Description of the patch"},{"category":"details","text":"SUSE-2023-4776,SUSE-2023-4780,SUSE-SLE-Module-Live-Patching-15-SP4-2023-4776,SUSE-SLE-Module-Live-Patching-15-SP5-2023-4780","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_4776-1.json"},{"category":"self","summary":"URL for SUSE-SU-2023:4776-1","url":"https://www.suse.com/support/update/announcement/2023/suse-su-20234776-1/"},{"category":"self","summary":"E-Mail link for SUSE-SU-2023:4776-1","url":"https://lists.suse.com/pipermail/sle-security-updates/2023-December/017322.html"},{"category":"self","summary":"SUSE Bug 1215097","url":"https://bugzilla.suse.com/1215097"},{"category":"self","summary":"SUSE Bug 1215519","url":"https://bugzilla.suse.com/1215519"},{"category":"self","summary":"SUSE CVE CVE-2023-2163 page","url":"https://www.suse.com/security/cve/CVE-2023-2163/"},{"category":"self","summary":"SUSE CVE CVE-2023-3777 page","url":"https://www.suse.com/security/cve/CVE-2023-3777/"}],"title":"Security update for the Linux Kernel RT (Live Patch 6 for SLE 15 SP5)","tracking":{"current_release_date":"2023-12-13T12:35:22Z","generator":{"date":"2023-12-13T12:35:22Z","engine":{"name":"cve-database.git:bin/generate-csaf.pl","version":"1"}},"id":"SUSE-SU-2023:4776-1","initial_release_date":"2023-12-13T12:35:22Z","revision_history":[{"date":"2023-12-13T12:35:22Z","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_56-rt-2-150400.2.1.x86_64","product":{"name":"kernel-livepatch-5_14_21-150400_15_56-rt-2-150400.2.1.x86_64","product_id":"kernel-livepatch-5_14_21-150400_15_56-rt-2-150400.2.1.x86_64"}},{"category":"product_version","name":"kernel-livepatch-5_14_21-150500_13_21-rt-2-150500.2.1.x86_64","product":{"name":"kernel-livepatch-5_14_21-150500_13_21-rt-2-150500.2.1.x86_64","product_id":"kernel-livepatch-5_14_21-150500_13_21-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_56-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_56-rt-2-150400.2.1.x86_64"},"product_reference":"kernel-livepatch-5_14_21-150400_15_56-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_21-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_21-rt-2-150500.2.1.x86_64"},"product_reference":"kernel-livepatch-5_14_21-150500_13_21-rt-2-150500.2.1.x86_64","relates_to_product_reference":"SUSE Linux Enterprise Live Patching 15 SP5"}]},"vulnerabilities":[{"cve":"CVE-2023-2163","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2023-2163"}],"notes":[{"category":"general","text":"Incorrect verifier pruning  in BPF in Linux Kernel  >=5.4  leads to unsafe\ncode paths being incorrectly marked as safe, resulting in  arbitrary read/write in\nkernel memory, lateral privilege escalation, and container escape.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_15_56-rt-2-150400.2.1.x86_64","SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_13_21-rt-2-150500.2.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2023-2163","url":"https://www.suse.com/security/cve/CVE-2023-2163"},{"category":"external","summary":"SUSE Bug 1215518 for CVE-2023-2163","url":"https://bugzilla.suse.com/1215518"},{"category":"external","summary":"SUSE Bug 1215519 for CVE-2023-2163","url":"https://bugzilla.suse.com/1215519"}],"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_56-rt-2-150400.2.1.x86_64","SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_13_21-rt-2-150500.2.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":7.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"products":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_15_56-rt-2-150400.2.1.x86_64","SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_13_21-rt-2-150500.2.1.x86_64"]}],"threats":[{"category":"impact","date":"2023-12-13T12:35:22Z","details":"important"}],"title":"CVE-2023-2163"},{"cve":"CVE-2023-3777","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2023-3777"}],"notes":[{"category":"general","text":"A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation.\n\nWhen nf_tables_delrule() is flushing table rules, it is not checked whether the chain is bound and the chain's owner rule can also release the objects in certain circumstances.\n\nWe recommend upgrading past commit 6eaf41e87a223ae6f8e7a28d6e78384ad7e407f8.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_15_56-rt-2-150400.2.1.x86_64","SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_13_21-rt-2-150500.2.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2023-3777","url":"https://www.suse.com/security/cve/CVE-2023-3777"},{"category":"external","summary":"SUSE Bug 1215095 for CVE-2023-3777","url":"https://bugzilla.suse.com/1215095"},{"category":"external","summary":"SUSE Bug 1215097 for CVE-2023-3777","url":"https://bugzilla.suse.com/1215097"}],"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_56-rt-2-150400.2.1.x86_64","SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_13_21-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_56-rt-2-150400.2.1.x86_64","SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_13_21-rt-2-150500.2.1.x86_64"]}],"threats":[{"category":"impact","date":"2023-12-13T12:35:22Z","details":"important"}],"title":"CVE-2023-3777"}]}