{ "document": { "aggregate_severity": { "text": "High" }, "category": "csaf_vex", "csaf_version": "2.0", "distribution": { "text": "TuxCare License Agreement", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://tuxcare.com/contact/", "name": "TuxCare", "namespace": "https://tuxcare.com/" }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://security.tuxcare.com/csaf/v2/els_os/debian10els/vex/2026/cve-2026-43125-els_os-debian10els.json" } ], "tracking": { "current_release_date": "2026-08-26T16:41:16Z", "generator": { "date": "2026-08-26T16:41:16Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2026-43125-ELS_OS-DEBIAN10ELS", "initial_release_date": "2026-05-06T12:16:00Z", "revision_history": [ { "date": "2026-05-06T12:16:00Z", "number": "1", "summary": "Initial version" }, { "date": "2026-08-25T12:53:21Z", "number": "2", "summary": "Official Publication" }, { "date": "2026-08-26T16:41:16Z", "number": "3", "summary": "Update document" } ], "status": "final", "version": "3" }, "title": "Security update on CVE-2026-43125" }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Debian 10", "product": { "name": "Debian 10", "product_id": "Debian-10", "product_identification_helper": { "cpe": "cpe:2.3:o:debian:debian_linux:10:*:*:*:*:*:*:*" } } } ], "category": "product_family", "name": "Debian" } ], "category": "vendor", "name": "Software in the Public Interest, Inc." }, { "branches": [ { "branches": [ { "category": "product_version", "name": "linux-headers-4.19.0-28-all-amd64-0:4.19.325-1+tuxcare.els1.amd64", "product": { "name": "linux-headers-4.19.0-28-all-amd64-0:4.19.325-1+tuxcare.els1.amd64", "product_id": "linux-headers-4.19.0-28-all-amd64-0:4.19.325-1+tuxcare.els1.amd64", "product_identification_helper": { "purl": "pkg:deb/tuxcare/linux-headers-4.19.0-28-all-amd64@4.19.325-1%2Btuxcare.els1?arch=amd64" } } }, { "category": "product_version", "name": 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10", "product_id": "Debian-10:hyperv-daemons-0:4.19.325-1+tuxcare.els1.amd64" }, "product_reference": "hyperv-daemons-0:4.19.325-1+tuxcare.els1.amd64", "relates_to_product_reference": "Debian-10" }, { "category": "default_component_of", "full_product_name": { "name": "linux-image-4.19.0-28-amd64-unsigned-0:4.19.325-1+tuxcare.els1.amd64 as a component of Debian 10", "product_id": "Debian-10:linux-image-4.19.0-28-amd64-unsigned-0:4.19.325-1+tuxcare.els1.amd64" }, "product_reference": "linux-image-4.19.0-28-amd64-unsigned-0:4.19.325-1+tuxcare.els1.amd64", "relates_to_product_reference": "Debian-10" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-43125", "cwe": { "id": "CWE-787", "name": "Out-of-bounds Write" }, "notes": [ { "category": "description", "text": "In the Linux kernel, the following vulnerability has been resolved:\n\ndlm: validate length in dlm_search_rsb_tree\n\nThe len parameter in dlm_dump_rsb_name() is not validated and comes\nfrom network messages. When it exceeds DLM_RESNAME_MAXLEN, it can\ncause out-of-bounds write in dlm_search_rsb_tree().\n\nAdd length validation to prevent potential buffer overflow.", "title": "Vulnerability description" }, { "category": "other", "text": "TuxCare has assessed that this vulnerability does not impact any currently supported TuxCare products. This evaluation may change as new information becomes available. For additional details regarding this vulnerability and affected products, refer to the provided references.", "title": "Statement" } ], "product_status": { "known_not_affected": [ "Debian-10:hyperv-daemons-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:libbpf-dev-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:libbpf4.19-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:libcpupower-dev-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:libcpupower1-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-compiler-gcc-8-x86-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-config-4.19-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-cpupower-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-doc-4.19-0:4.19.325-1+tuxcare.els1.all", "Debian-10:linux-headers-4.19.0-28-all-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-headers-4.19.0-28-all-amd64-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-headers-4.19.0-28-amd64-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-headers-4.19.0-28-common-0:4.19.325-1+tuxcare.els1.all", "Debian-10:linux-image-4.19.0-28-amd64-unsigned-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-image-amd64-signed-template-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-kbuild-4.19-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-libc-dev-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-perf-4.19-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-source-4.19-0:4.19.325-1+tuxcare.els1.all", "Debian-10:linux-support-4.19.0-28-0:4.19.325-1+tuxcare.els1.all" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2026-43125" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/080e5563f878c64e697b89e7439d730d0daad882", "url": "https://git.kernel.org/stable/c/080e5563f878c64e697b89e7439d730d0daad882" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/082083c9fbd99422a0370fe2102144a231c9f5d6", "url": "https://git.kernel.org/stable/c/082083c9fbd99422a0370fe2102144a231c9f5d6" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/5f053a2e7209d326cbbc07738fa6d6893d307438", "url": "https://git.kernel.org/stable/c/5f053a2e7209d326cbbc07738fa6d6893d307438" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/67288113c5e6cf9e659b4065c0ed6f16100e0c71", "url": "https://git.kernel.org/stable/c/67288113c5e6cf9e659b4065c0ed6f16100e0c71" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:25120", "url": "https://access.redhat.com/errata/RHSA-2026:25120" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:25121", "url": "https://access.redhat.com/errata/RHSA-2026:25121" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:25217", "url": "https://access.redhat.com/errata/RHSA-2026:25217" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:33899", "url": "https://access.redhat.com/errata/RHSA-2026:33899" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:33900", "url": "https://access.redhat.com/errata/RHSA-2026:33900" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:34094", "url": "https://access.redhat.com/errata/RHSA-2026:34094" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:34095", "url": "https://access.redhat.com/errata/RHSA-2026:34095" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:35844", "url": "https://access.redhat.com/errata/RHSA-2026:35844" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:35863", "url": "https://access.redhat.com/errata/RHSA-2026:35863" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:36767", "url": "https://access.redhat.com/errata/RHSA-2026:36767" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:41236", "url": "https://access.redhat.com/errata/RHSA-2026:41236" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:55761", "url": "https://access.redhat.com/errata/RHSA-2026:55761" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:55762", "url": "https://access.redhat.com/errata/RHSA-2026:55762" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:55763", "url": "https://access.redhat.com/errata/RHSA-2026:55763" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:55837", "url": "https://access.redhat.com/errata/RHSA-2026:55837" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:56224", "url": "https://access.redhat.com/errata/RHSA-2026:56224" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:56225", "url": "https://access.redhat.com/errata/RHSA-2026:56225" }, { "category": "external", "summary": "https://access.redhat.com/security/cve/CVE-2026-43125", "url": "https://access.redhat.com/security/cve/CVE-2026-43125" }, { "category": "external", "summary": "https://bugzilla.redhat.com/show_bug.cgi?id=2467234", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467234" }, { "category": "external", "summary": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43125.json", "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43125.json" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:59091", "url": "https://access.redhat.com/errata/RHSA-2026:59091" } ], "release_date": "2026-05-06T12:16:00Z", "threats": [ { "category": "impact", "details": "Important" }, { "category": "impact", "date": "2026-08-21T12:25:51.076099Z", "details": "Not introduced: the out-of-bounds write lives in the rhashtable-based dlm_search_rsb_tree() added in v6.10; debian10els (4.19.0) still uses the pre-v6.10 rb_root implementation.", "product_ids": [ "Debian-10:hyperv-daemons-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:libbpf-dev-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:libbpf4.19-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:libcpupower-dev-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:libcpupower1-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-compiler-gcc-8-x86-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-config-4.19-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-cpupower-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-doc-4.19-0:4.19.325-1+tuxcare.els1.all", "Debian-10:linux-headers-4.19.0-28-all-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-headers-4.19.0-28-all-amd64-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-headers-4.19.0-28-amd64-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-headers-4.19.0-28-common-0:4.19.325-1+tuxcare.els1.all", "Debian-10:linux-image-4.19.0-28-amd64-unsigned-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-image-amd64-signed-template-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-kbuild-4.19-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-libc-dev-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-perf-4.19-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-source-4.19-0:4.19.325-1+tuxcare.els1.all", "Debian-10:linux-support-4.19.0-28-0:4.19.325-1+tuxcare.els1.all" ] } ] } ] }