{"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 34 for SLE 15 SP3)","title":"Title of the patch"},{"category":"description","text":"This update for the Linux Kernel 5.3.18-150300_59_127 fixes several issues.\n\nThe following security issues were fixed:\n\n- CVE-2023-4623: Fixed a use-after-free issue in the HFSC network scheduler which could be exploited to achieve local privilege escalation (bsc#1215440).\n- CVE-2023-4147: Fixed use-after-free in nf_tables_newrule (bsc#1215118).\n- CVE-2023-4004: Fixed improper element removal netfilter nft_set_pipapo (bsc#1214812).\n- CVE-2023-3390: Fixed an use-after-free vulnerability in the netfilter subsystem in net/netfilter/nf_tables_api.c that could allow a local attacker with user access to cause a privilege escalation issue (bsc#1212934).\n","title":"Description of the patch"},{"category":"details","text":"SUSE-2023-4239,SUSE-2023-4240,SUSE-2023-4241,SUSE-SLE-Module-Live-Patching-15-SP3-2023-4239","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_4239-1.json"},{"category":"self","summary":"URL for SUSE-SU-2023:4239-1","url":"https://www.suse.com/support/update/announcement/2023/suse-su-20234239-1/"},{"category":"self","summary":"E-Mail link for SUSE-SU-2023:4239-1","url":"https://lists.suse.com/pipermail/sle-security-updates/2023-October/016917.html"},{"category":"self","summary":"SUSE Bug 1212934","url":"https://bugzilla.suse.com/1212934"},{"category":"self","summary":"SUSE Bug 1214812","url":"https://bugzilla.suse.com/1214812"},{"category":"self","summary":"SUSE Bug 1215118","url":"https://bugzilla.suse.com/1215118"},{"category":"self","summary":"SUSE Bug 1215440","url":"https://bugzilla.suse.com/1215440"},{"category":"self","summary":"SUSE CVE CVE-2023-3390 page","url":"https://www.suse.com/security/cve/CVE-2023-3390/"},{"category":"self","summary":"SUSE CVE CVE-2023-4004 page","url":"https://www.suse.com/security/cve/CVE-2023-4004/"},{"category":"self","summary":"SUSE CVE CVE-2023-4147 page","url":"https://www.suse.com/security/cve/CVE-2023-4147/"},{"category":"self","summary":"SUSE CVE CVE-2023-4623 page","url":"https://www.suse.com/security/cve/CVE-2023-4623/"}],"title":"Security update for the Linux Kernel (Live Patch 34 for SLE 15 SP3)","tracking":{"current_release_date":"2023-10-30T08:48:19Z","generator":{"date":"2023-10-30T08:48:19Z","engine":{"name":"cve-database.git:bin/generate-csaf.pl","version":"1"}},"id":"SUSE-SU-2023:4239-1","initial_release_date":"2023-10-30T08:48:19Z","revision_history":[{"date":"2023-10-30T08:48:19Z","number":"1","summary":"Current version"}],"status":"final","version":"1"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_version","name":"kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.ppc64le","product":{"name":"kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.ppc64le","product_id":"kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.ppc64le"}},{"category":"product_version","name":"kernel-livepatch-5_3_18-150300_59_118-default-7-150300.2.2.ppc64le","product":{"name":"kernel-livepatch-5_3_18-150300_59_118-default-7-150300.2.2.ppc64le","product_id":"kernel-livepatch-5_3_18-150300_59_118-default-7-150300.2.2.ppc64le"}},{"category":"product_version","name":"kernel-livepatch-5_3_18-150300_59_115-default-8-150300.2.2.ppc64le","product":{"name":"kernel-livepatch-5_3_18-150300_59_115-default-8-150300.2.2.ppc64le","product_id":"kernel-livepatch-5_3_18-150300_59_115-default-8-150300.2.2.ppc64le"}}],"category":"architecture","name":"ppc64le"},{"branches":[{"category":"product_version","name":"kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.s390x","product":{"name":"kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.s390x","product_id":"kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.s390x"}},{"category":"product_version","name":"kernel-livepatch-5_3_18-150300_59_118-default-7-150300.2.2.s390x","product":{"name":"kernel-livepatch-5_3_18-150300_59_118-default-7-150300.2.2.s390x","product_id":"kernel-livepatch-5_3_18-150300_59_118-default-7-150300.2.2.s390x"}},{"category":"product_version","name":"kernel-livepatch-5_3_18-150300_59_115-default-8-150300.2.2.s390x","product":{"name":"kernel-livepatch-5_3_18-150300_59_115-default-8-150300.2.2.s390x","product_id":"kernel-livepatch-5_3_18-150300_59_115-default-8-150300.2.2.s390x"}}],"category":"architecture","name":"s390x"},{"branches":[{"category":"product_version","name":"kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.x86_64","product":{"name":"kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.x86_64","product_id":"kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.x86_64"}},{"category":"product_version","name":"kernel-livepatch-5_3_18-150300_59_127-preempt-4-150300.2.2.x86_64","product":{"name":"kernel-livepatch-5_3_18-150300_59_127-preempt-4-150300.2.2.x86_64","product_id":"kernel-livepatch-5_3_18-150300_59_127-preempt-4-150300.2.2.x86_64"}},{"category":"product_version","name":"kernel-livepatch-5_3_18-150300_59_118-default-7-150300.2.2.x86_64","product":{"name":"kernel-livepatch-5_3_18-150300_59_118-default-7-150300.2.2.x86_64","product_id":"kernel-livepatch-5_3_18-150300_59_118-default-7-150300.2.2.x86_64"}},{"category":"product_version","name":"kernel-livepatch-5_3_18-150300_59_118-preempt-7-150300.2.2.x86_64","product":{"name":"kernel-livepatch-5_3_18-150300_59_118-preempt-7-150300.2.2.x86_64","product_id":"kernel-livepatch-5_3_18-150300_59_118-preempt-7-150300.2.2.x86_64"}},{"category":"product_version","name":"kernel-livepatch-5_3_18-150300_59_115-default-8-150300.2.2.x86_64","product":{"name":"kernel-livepatch-5_3_18-150300_59_115-default-8-150300.2.2.x86_64","product_id":"kernel-livepatch-5_3_18-150300_59_115-default-8-150300.2.2.x86_64"}},{"category":"product_version","name":"kernel-livepatch-5_3_18-150300_59_115-preempt-8-150300.2.2.x86_64","product":{"name":"kernel-livepatch-5_3_18-150300_59_115-preempt-8-150300.2.2.x86_64","product_id":"kernel-livepatch-5_3_18-150300_59_115-preempt-8-150300.2.2.x86_64"}}],"category":"architecture","name":"x86_64"},{"branches":[{"category":"product_name","name":"SUSE Linux Enterprise Live Patching 15 SP3","product":{"name":"SUSE Linux Enterprise Live Patching 15 SP3","product_id":"SUSE Linux Enterprise Live Patching 15 SP3","product_identification_helper":{"cpe":"cpe:/o:suse:sle-module-live-patching:15:sp3"}}}],"category":"product_family","name":"SUSE Linux Enterprise"}],"category":"vendor","name":"SUSE"}],"relationships":[{"category":"default_component_of","full_product_name":{"name":"kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.ppc64le as component of SUSE Linux Enterprise Live Patching 15 SP3","product_id":"SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.ppc64le"},"product_reference":"kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.ppc64le","relates_to_product_reference":"SUSE Linux Enterprise Live Patching 15 SP3"},{"category":"default_component_of","full_product_name":{"name":"kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.s390x as component of SUSE Linux Enterprise Live Patching 15 SP3","product_id":"SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.s390x"},"product_reference":"kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.s390x","relates_to_product_reference":"SUSE Linux Enterprise Live Patching 15 SP3"},{"category":"default_component_of","full_product_name":{"name":"kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.x86_64 as component of SUSE Linux Enterprise Live Patching 15 SP3","product_id":"SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.x86_64"},"product_reference":"kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.x86_64","relates_to_product_reference":"SUSE Linux Enterprise Live Patching 15 SP3"}]},"vulnerabilities":[{"cve":"CVE-2023-3390","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2023-3390"}],"notes":[{"category":"general","text":"A use-after-free vulnerability was found in the Linux kernel's netfilter subsystem in net/netfilter/nf_tables_api.c.\n\nMishandled error handling with NFT_MSG_NEWRULE makes it possible to use a dangling pointer in the same transaction causing a use-after-free vulnerability. This flaw allows a local attacker with user access to cause a privilege escalation issue.\n\nWe recommend upgrading past commit  1240eb93f0616b21c675416516ff3d74798fdc97.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.ppc64le","SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.s390x","SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.x86_64"]},"references":[{"category":"external","summary":"CVE-2023-3390","url":"https://www.suse.com/security/cve/CVE-2023-3390"},{"category":"external","summary":"SUSE Bug 1212846 for CVE-2023-3390","url":"https://bugzilla.suse.com/1212846"},{"category":"external","summary":"SUSE Bug 1212934 for CVE-2023-3390","url":"https://bugzilla.suse.com/1212934"},{"category":"external","summary":"SUSE Bug 1213245 for CVE-2023-3390","url":"https://bugzilla.suse.com/1213245"},{"category":"external","summary":"SUSE Bug 1216225 for CVE-2023-3390","url":"https://bugzilla.suse.com/1216225"}],"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 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.ppc64le","SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.s390x","SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.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 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.ppc64le","SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.s390x","SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.x86_64"]}],"threats":[{"category":"impact","date":"2023-10-30T08:48:19Z","details":"important"}],"title":"CVE-2023-3390"},{"cve":"CVE-2023-4004","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2023-4004"}],"notes":[{"category":"general","text":"A use-after-free flaw was found in the Linux kernel's netfilter in the way a user triggers the nft_pipapo_remove function with the element, without a NFT_SET_EXT_KEY_END. This issue could allow a local user to crash the system or potentially escalate their privileges on the system.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.ppc64le","SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.s390x","SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.x86_64"]},"references":[{"category":"external","summary":"CVE-2023-4004","url":"https://www.suse.com/security/cve/CVE-2023-4004"},{"category":"external","summary":"SUSE Bug 1213812 for CVE-2023-4004","url":"https://bugzilla.suse.com/1213812"},{"category":"external","summary":"SUSE Bug 1214812 for CVE-2023-4004","url":"https://bugzilla.suse.com/1214812"}],"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 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.ppc64le","SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.s390x","SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.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 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.ppc64le","SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.s390x","SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.x86_64"]}],"threats":[{"category":"impact","date":"2023-10-30T08:48:19Z","details":"important"}],"title":"CVE-2023-4004"},{"cve":"CVE-2023-4147","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2023-4147"}],"notes":[{"category":"general","text":"A use-after-free flaw was found in the Linux kernel's Netfilter functionality when adding a rule with NFTA_RULE_CHAIN_ID. This flaw allows a local user to crash or escalate their privileges on the system.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.ppc64le","SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.s390x","SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.x86_64"]},"references":[{"category":"external","summary":"CVE-2023-4147","url":"https://www.suse.com/security/cve/CVE-2023-4147"},{"category":"external","summary":"SUSE Bug 1213968 for CVE-2023-4147","url":"https://bugzilla.suse.com/1213968"},{"category":"external","summary":"SUSE Bug 1215118 for CVE-2023-4147","url":"https://bugzilla.suse.com/1215118"}],"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 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.ppc64le","SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.s390x","SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.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 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.ppc64le","SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.s390x","SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.x86_64"]}],"threats":[{"category":"impact","date":"2023-10-30T08:48:19Z","details":"important"}],"title":"CVE-2023-4147"},{"cve":"CVE-2023-4623","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2023-4623"}],"notes":[{"category":"general","text":"A use-after-free vulnerability in the Linux kernel's net/sched: sch_hfsc (HFSC qdisc traffic control) component can be exploited to achieve local privilege escalation.\n\nIf a class with a link-sharing curve (i.e. with the HFSC_FSC flag set) has a parent without a link-sharing curve, then init_vf() will call vttree_insert() on the parent, but vttree_remove() will be skipped in update_vf(). This leaves a dangling pointer that can cause a use-after-free.\n\nWe recommend upgrading past commit b3d26c5702c7d6c45456326e56d2ccf3f103e60f.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.ppc64le","SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.s390x","SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.x86_64"]},"references":[{"category":"external","summary":"CVE-2023-4623","url":"https://www.suse.com/security/cve/CVE-2023-4623"},{"category":"external","summary":"SUSE Bug 1215115 for CVE-2023-4623","url":"https://bugzilla.suse.com/1215115"},{"category":"external","summary":"SUSE Bug 1215440 for CVE-2023-4623","url":"https://bugzilla.suse.com/1215440"},{"category":"external","summary":"SUSE Bug 1217444 for CVE-2023-4623","url":"https://bugzilla.suse.com/1217444"},{"category":"external","summary":"SUSE Bug 1217531 for CVE-2023-4623","url":"https://bugzilla.suse.com/1217531"},{"category":"external","summary":"SUSE Bug 1219698 for CVE-2023-4623","url":"https://bugzilla.suse.com/1219698"},{"category":"external","summary":"SUSE Bug 1221578 for CVE-2023-4623","url":"https://bugzilla.suse.com/1221578"},{"category":"external","summary":"SUSE Bug 1221598 for CVE-2023-4623","url":"https://bugzilla.suse.com/1221598"}],"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 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.ppc64le","SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.s390x","SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.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 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.ppc64le","SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.s390x","SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_127-default-4-150300.2.2.x86_64"]}],"threats":[{"category":"impact","date":"2023-10-30T08:48:19Z","details":"important"}],"title":"CVE-2023-4623"}]}