{"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 31 for SUSE Linux Enterprise 15 SP5)","title":"Title of the patch"},{"category":"description","text":"\nThis update for the SUSE Linux Enterprise kernel 5.14.21-150500.55.124 fixes one security issue\n\nThe following security issue was fixed:\n\n- CVE-2025-39742: RDMA: hfi1: fix possible divide-by-zero in find_hw_thread_mask() (bsc#1249480).\n","title":"Description of the patch"},{"category":"details","text":"SUSE-2026-544,SUSE-SLE-Module-Live-Patching-15-SP5-2026-544","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-2026_0544-1.json"},{"category":"self","summary":"URL for SUSE-SU-2026:0544-1","url":"https://www.suse.com/support/update/announcement/2026/suse-su-20260544-1/"},{"category":"self","summary":"E-Mail link for SUSE-SU-2026:0544-1","url":"https://lists.suse.com/pipermail/sle-security-updates/2026-February/024246.html"},{"category":"self","summary":"SUSE Bug 1249480","url":"https://bugzilla.suse.com/1249480"},{"category":"self","summary":"SUSE CVE CVE-2025-39742 page","url":"https://www.suse.com/security/cve/CVE-2025-39742/"}],"title":"Security update for the Linux Kernel (Live Patch 31 for SUSE Linux Enterprise 15 SP5)","tracking":{"current_release_date":"2026-02-15T18:03:51Z","generator":{"date":"2026-02-15T18:03:51Z","engine":{"name":"cve-database.git:bin/generate-csaf.pl","version":"1"}},"id":"SUSE-SU-2026:0544-1","initial_release_date":"2026-02-15T18:03:51Z","revision_history":[{"date":"2026-02-15T18:03:51Z","number":"1","summary":"Current version"}],"status":"final","version":"1"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_version","name":"kernel-livepatch-5_14_21-150500_55_124-default-4-150500.2.1.ppc64le","product":{"name":"kernel-livepatch-5_14_21-150500_55_124-default-4-150500.2.1.ppc64le","product_id":"kernel-livepatch-5_14_21-150500_55_124-default-4-150500.2.1.ppc64le"}}],"category":"architecture","name":"ppc64le"},{"branches":[{"category":"product_version","name":"kernel-livepatch-5_14_21-150500_55_124-default-4-150500.2.1.s390x","product":{"name":"kernel-livepatch-5_14_21-150500_55_124-default-4-150500.2.1.s390x","product_id":"kernel-livepatch-5_14_21-150500_55_124-default-4-150500.2.1.s390x"}}],"category":"architecture","name":"s390x"},{"branches":[{"category":"product_version","name":"kernel-livepatch-5_14_21-150500_55_124-default-4-150500.2.1.x86_64","product":{"name":"kernel-livepatch-5_14_21-150500_55_124-default-4-150500.2.1.x86_64","product_id":"kernel-livepatch-5_14_21-150500_55_124-default-4-150500.2.1.x86_64"}}],"category":"architecture","name":"x86_64"},{"branches":[{"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_21-150500_55_124-default-4-150500.2.1.ppc64le 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_55_124-default-4-150500.2.1.ppc64le"},"product_reference":"kernel-livepatch-5_14_21-150500_55_124-default-4-150500.2.1.ppc64le","relates_to_product_reference":"SUSE Linux Enterprise Live Patching 15 SP5"},{"category":"default_component_of","full_product_name":{"name":"kernel-livepatch-5_14_21-150500_55_124-default-4-150500.2.1.s390x 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_55_124-default-4-150500.2.1.s390x"},"product_reference":"kernel-livepatch-5_14_21-150500_55_124-default-4-150500.2.1.s390x","relates_to_product_reference":"SUSE Linux Enterprise Live Patching 15 SP5"},{"category":"default_component_of","full_product_name":{"name":"kernel-livepatch-5_14_21-150500_55_124-default-4-150500.2.1.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_55_124-default-4-150500.2.1.x86_64"},"product_reference":"kernel-livepatch-5_14_21-150500_55_124-default-4-150500.2.1.x86_64","relates_to_product_reference":"SUSE Linux Enterprise Live Patching 15 SP5"}]},"vulnerabilities":[{"cve":"CVE-2025-39742","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2025-39742"}],"notes":[{"category":"general","text":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA: hfi1: fix possible divide-by-zero in find_hw_thread_mask()\n\nThe function divides number of online CPUs by num_core_siblings, and\nlater checks the divider by zero. This implies a possibility to get\nand divide-by-zero runtime error. Fix it by moving the check prior to\ndivision. This also helps to save one indentation level.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_124-default-4-150500.2.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_124-default-4-150500.2.1.s390x","SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_124-default-4-150500.2.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2025-39742","url":"https://www.suse.com/security/cve/CVE-2025-39742"},{"category":"external","summary":"SUSE Bug 1247374 for CVE-2025-39742","url":"https://bugzilla.suse.com/1247374"},{"category":"external","summary":"SUSE Bug 1249479 for CVE-2025-39742","url":"https://bugzilla.suse.com/1249479"},{"category":"external","summary":"SUSE Bug 1249480 for CVE-2025-39742","url":"https://bugzilla.suse.com/1249480"},{"category":"external","summary":"SUSE Bug 1253291 for CVE-2025-39742","url":"https://bugzilla.suse.com/1253291"}],"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 SP5:kernel-livepatch-5_14_21-150500_55_124-default-4-150500.2.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_124-default-4-150500.2.1.s390x","SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_124-default-4-150500.2.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":7,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"products":["SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_124-default-4-150500.2.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_124-default-4-150500.2.1.s390x","SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_124-default-4-150500.2.1.x86_64"]}],"threats":[{"category":"impact","date":"2026-02-15T18:03:51Z","details":"important"}],"title":"CVE-2025-39742"}]}