{"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 2 for SUSE Linux Enterprise 16)","title":"Title of the patch"},{"category":"description","text":"\nThis update for the SUSE Linux Enterprise kernel 6.12.0-160000.7.1 fixes one security issue\n\nThe following security issue was fixed:\n\n- CVE-2025-40130: scsi: ufs: core: Fix data race in CPU latency PM QoS request handling (bsc#1253415).\n","title":"Description of the patch"},{"category":"details","text":"SUSE-SLES-16.0-349","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_20634-1.json"},{"category":"self","summary":"URL for SUSE-SU-2026:20634-1","url":"https://www.suse.com/support/update/announcement/2026/suse-su-202620634-1/"},{"category":"self","summary":"E-Mail link for SUSE-SU-2026:20634-1","url":"https://lists.suse.com/pipermail/sle-security-updates/2026-March/024644.html"},{"category":"self","summary":"SUSE Bug 1253415","url":"https://bugzilla.suse.com/1253415"},{"category":"self","summary":"SUSE CVE CVE-2025-40130 page","url":"https://www.suse.com/security/cve/CVE-2025-40130/"}],"title":"Security update for the Linux Kernel (Live Patch 2 for SUSE Linux Enterprise 16)","tracking":{"current_release_date":"2026-03-04T09:20:51Z","generator":{"date":"2026-03-04T09:20:51Z","engine":{"name":"cve-database.git:bin/generate-csaf.pl","version":"1"}},"id":"SUSE-SU-2026:20634-1","initial_release_date":"2026-03-04T09:20:51Z","revision_history":[{"date":"2026-03-04T09:20:51Z","number":"1","summary":"Current version"}],"status":"final","version":"1"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_version","name":"kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.ppc64le","product":{"name":"kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.ppc64le","product_id":"kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.ppc64le"}}],"category":"architecture","name":"ppc64le"},{"branches":[{"category":"product_version","name":"kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.s390x","product":{"name":"kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.s390x","product_id":"kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.s390x"}}],"category":"architecture","name":"s390x"},{"branches":[{"category":"product_version","name":"kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.x86_64","product":{"name":"kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.x86_64","product_id":"kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.x86_64"}}],"category":"architecture","name":"x86_64"},{"branches":[{"category":"product_name","name":"SUSE Linux Enterprise Server 16.0","product":{"name":"SUSE Linux Enterprise Server 16.0","product_id":"SUSE Linux Enterprise Server 16.0","product_identification_helper":{"cpe":"cpe:/o:suse:sles:16.0"}}},{"category":"product_name","name":"SUSE Linux Enterprise Server for SAP applications 16.0","product":{"name":"SUSE Linux Enterprise Server for SAP applications 16.0","product_id":"SUSE Linux Enterprise Server for SAP applications 16.0","product_identification_helper":{"cpe":"cpe:/o:suse:sles:16:16.0:server-sap"}}}],"category":"product_family","name":"SUSE Linux Enterprise"}],"category":"vendor","name":"SUSE"}],"relationships":[{"category":"default_component_of","full_product_name":{"name":"kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.ppc64le as component of SUSE Linux Enterprise Server 16.0","product_id":"SUSE Linux Enterprise Server 16.0:kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.ppc64le"},"product_reference":"kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.ppc64le","relates_to_product_reference":"SUSE Linux Enterprise Server 16.0"},{"category":"default_component_of","full_product_name":{"name":"kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.s390x as component of SUSE Linux Enterprise Server 16.0","product_id":"SUSE Linux Enterprise Server 16.0:kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.s390x"},"product_reference":"kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.s390x","relates_to_product_reference":"SUSE Linux Enterprise Server 16.0"},{"category":"default_component_of","full_product_name":{"name":"kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.x86_64 as component of SUSE Linux Enterprise Server 16.0","product_id":"SUSE Linux Enterprise Server 16.0:kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.x86_64"},"product_reference":"kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.x86_64","relates_to_product_reference":"SUSE Linux Enterprise Server 16.0"},{"category":"default_component_of","full_product_name":{"name":"kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.ppc64le as component of SUSE Linux Enterprise Server for SAP applications 16.0","product_id":"SUSE Linux Enterprise Server for SAP applications 16.0:kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.ppc64le"},"product_reference":"kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.ppc64le","relates_to_product_reference":"SUSE Linux Enterprise Server for SAP applications 16.0"},{"category":"default_component_of","full_product_name":{"name":"kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.s390x as component of SUSE Linux Enterprise Server for SAP applications 16.0","product_id":"SUSE Linux Enterprise Server for SAP applications 16.0:kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.s390x"},"product_reference":"kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.s390x","relates_to_product_reference":"SUSE Linux Enterprise Server for SAP applications 16.0"},{"category":"default_component_of","full_product_name":{"name":"kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.x86_64 as component of SUSE Linux Enterprise Server for SAP applications 16.0","product_id":"SUSE Linux Enterprise Server for SAP applications 16.0:kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.x86_64"},"product_reference":"kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.x86_64","relates_to_product_reference":"SUSE Linux Enterprise Server for SAP applications 16.0"}]},"vulnerabilities":[{"cve":"CVE-2025-40130","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2025-40130"}],"notes":[{"category":"general","text":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: ufs: core: Fix data race in CPU latency PM QoS request handling\n\nThe cpu_latency_qos_add/remove/update_request interfaces lack internal\nsynchronization by design, requiring the caller to ensure thread safety.\nThe current implementation relies on the 'pm_qos_enabled' flag, which is\ninsufficient to prevent concurrent access and cannot serve as a proper\nsynchronization mechanism. This has led to data races and list\ncorruption issues.\n\nA typical race condition call trace is:\n\n[Thread A]\nufshcd_pm_qos_exit()\n  --> cpu_latency_qos_remove_request()\n    --> cpu_latency_qos_apply();\n      --> pm_qos_update_target()\n        --> plist_del              <--(1) delete plist node\n    --> memset(req, 0, sizeof(*req));\n  --> hba->pm_qos_enabled = false;\n\n[Thread B]\nufshcd_devfreq_target\n  --> ufshcd_devfreq_scale\n    --> ufshcd_scale_clks\n      --> ufshcd_pm_qos_update     <--(2) pm_qos_enabled is true\n        --> cpu_latency_qos_update_request\n          --> pm_qos_update_target\n            --> plist_del          <--(3) plist node use-after-free\n\nIntroduces a dedicated mutex to serialize PM QoS operations, preventing\ndata races and ensuring safe access to PM QoS resources, including sysfs\ninterface reads.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Server 16.0:kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.ppc64le","SUSE Linux Enterprise Server 16.0:kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.s390x","SUSE Linux Enterprise Server 16.0:kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.x86_64","SUSE Linux Enterprise Server for SAP applications 16.0:kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.ppc64le","SUSE Linux Enterprise Server for SAP applications 16.0:kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.s390x","SUSE Linux Enterprise Server for SAP applications 16.0:kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2025-40130","url":"https://www.suse.com/security/cve/CVE-2025-40130"},{"category":"external","summary":"SUSE Bug 1253414 for CVE-2025-40130","url":"https://bugzilla.suse.com/1253414"},{"category":"external","summary":"SUSE Bug 1253415 for CVE-2025-40130","url":"https://bugzilla.suse.com/1253415"}],"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 Server 16.0:kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.ppc64le","SUSE Linux Enterprise Server 16.0:kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.s390x","SUSE Linux Enterprise Server 16.0:kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.x86_64","SUSE Linux Enterprise Server for SAP applications 16.0:kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.ppc64le","SUSE Linux Enterprise Server for SAP applications 16.0:kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.s390x","SUSE Linux Enterprise Server for SAP applications 16.0:kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.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 Server 16.0:kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.ppc64le","SUSE Linux Enterprise Server 16.0:kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.s390x","SUSE Linux Enterprise Server 16.0:kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.x86_64","SUSE Linux Enterprise Server for SAP applications 16.0:kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.ppc64le","SUSE Linux Enterprise Server for SAP applications 16.0:kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.s390x","SUSE Linux Enterprise Server for SAP applications 16.0:kernel-livepatch-6_12_0-160000_7-default-3-160000.1.1.x86_64"]}],"threats":[{"category":"impact","date":"2026-03-04T09:20:51Z","details":"important"}],"title":"CVE-2025-40130"}]}