{ "document": { "aggregate_severity": { "text": "Critical" }, "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/amazonlinux2els/vex/2026/cve-2026-89972-els_os-amazonlinux2els.json" } ], "tracking": { "current_release_date": "2026-11-07T21:42:18Z", "generator": { "date": "2026-11-07T21:42:18Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2026-89972-ELS_OS-AMAZONLINUX2ELS", "initial_release_date": "2026-09-16T11:17:00Z", "revision_history": [ { "date": "2026-09-16T11:17:00Z", "number": "1", "summary": "Initial version" }, { "date": "2026-11-07T21:42:18Z", "number": "2", "summary": "Official Publication" } ], "status": "final", "version": "2" }, "title": "Security 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"vulnerabilities": [ { "cve": "CVE-2026-89972", "notes": [ { "category": "description", "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvme: add missing SRCU grace period in error path\n\nnvme_alloc_ns() error path at out_unlink_ns removes ns from the\nnamespace head siblings list with list_del_rcu(&ns->siblings) but\ndoes not wait for SRCU readers before freeing the namespace struct.\nMultipath code iterates the head->list under srcu_read_lock() in\nnvme_find_path() and nvme_mpath_revalidate_paths(), so a concurrent\nreader can still hold a reference to ns when kfree(ns) runs.\n\nThe normal removal path in nvme_ns_remove() correctly calls\nsynchronize_srcu(&ns->head->srcu) after list_del_rcu() to wait for\nin-progress readers. Add the same grace period in the error path.", "title": "Vulnerability description" } ], "product_status": { "fixed": [ "Amazon-Linux-2:bpftool-0:5.10.273-274.1999.amzn2.tuxcare.els1.x86_64", "Amazon-Linux-2:kernel-0:5.10.273-274.1999.amzn2.tuxcare.els1.x86_64", "Amazon-Linux-2:kernel-devel-0:5.10.273-274.1999.amzn2.tuxcare.els1.x86_64", "Amazon-Linux-2:kernel-headers-0:5.10.273-274.1999.amzn2.tuxcare.els1.x86_64", "Amazon-Linux-2:kernel-tools-0:5.10.273-274.1999.amzn2.tuxcare.els1.x86_64", "Amazon-Linux-2:kernel-tools-devel-0:5.10.273-274.1999.amzn2.tuxcare.els1.x86_64", "Amazon-Linux-2:perf-0:5.10.273-274.1999.amzn2.tuxcare.els1.x86_64", "Amazon-Linux-2:python-perf-0:5.10.273-274.1999.amzn2.tuxcare.els1.x86_64" ], "known_affected": [ "Amazon-Linux-2:bpftool-0:5.10.259-258.1046.amzn2.tuxcare.els1.x86_64", "Amazon-Linux-2:bpftool-0:5.10.259-258.1046.amzn2.tuxcare.els2.x86_64", "Amazon-Linux-2:bpftool-0:5.10.272-271.1109.amzn2.tuxcare.els1.x86_64", 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"external", "summary": "https://git.kernel.org/stable/c/037e71058e8a59568db72015d4386f54e54dff77", "url": "https://git.kernel.org/stable/c/037e71058e8a59568db72015d4386f54e54dff77" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/0d4735418512ef825176726eaaa8bd6a35f6b46d", "url": "https://git.kernel.org/stable/c/0d4735418512ef825176726eaaa8bd6a35f6b46d" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/3868476cd39161f18720582df17a1b621e805b5d", "url": "https://git.kernel.org/stable/c/3868476cd39161f18720582df17a1b621e805b5d" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/76023560d60f10b4f808941163aa2975f1631683", "url": "https://git.kernel.org/stable/c/76023560d60f10b4f808941163aa2975f1631683" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/7f180cef9f3421ece85c43bfdc326ce5875845bb", "url": "https://git.kernel.org/stable/c/7f180cef9f3421ece85c43bfdc326ce5875845bb" }, { "category": 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