{ "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-2026-89848-els_os-amazonlinux2els.json" } ], "tracking": { "current_release_date": "2026-11-07T21:41:23Z", "generator": { "date": "2026-11-07T21:41:23Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2026-89848-ELS_OS-AMAZONLINUX2ELS", "initial_release_date": "2026-09-16T11:16:00Z", "revision_history": [ { "date": "2026-09-16T11:16:00Z", "number": "1", "summary": "Initial version" }, { "date": "2026-11-07T21:41:23Z", "number": "2", "summary": "Official Publication" } ], "status": "final", "version": "2" }, "title": "Security 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"vulnerabilities": [ { "cve": "CVE-2026-89848", "notes": [ { "category": "description", "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Quiesce response IRQ before freeing request queue\n\nqla2xxx_delete_qpair() deletes the request queue before the response\nqueue. qla25xx_delete_req_que() frees the request queue memory\n(kfree(req) in qla25xx_free_req_que()), but the response-queue MSI-X is\nonly released later, in qla25xx_free_rsp_que(). In that window the\nresponse interrupt can still fire, qla2xxx_msix_rsp_q() queues\nqpair->q_work, and qla_do_work() -> qla24xx_process_response_queue()\ndereferences the now-freed rsp->req (LOGINOUT/CT/ELS entries and the\nstatus path), a use-after-free.\n\nThe cancel_work_sync() added for the qpair teardown lives in the\nresponse free path, which runs after the request queue is already freed,\nso it does not protect rsp->req.\n\nRelease the response-queue interrupt and flush qpair->q_work before\ndeleting the request queue, so no late completion can reach the freed\nrequest queue. Clearing have_irq makes the subsequent\nqla25xx_free_rsp_que() skip its free_irq(), and the firmware\nqueue-delete order (request then response) is preserved; the\nrequest-delete mailbox completes on the default vector and is unaffected\nby dropping the qpair response interrupt early.", "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": [ 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URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2026-89848" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/0a005dcc5e9bf7b31a45422b10f2765b25161389", "url": "https://git.kernel.org/stable/c/0a005dcc5e9bf7b31a45422b10f2765b25161389" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/10e9f05f7fd0a103886a867ec8afe621fe4b906a", "url": "https://git.kernel.org/stable/c/10e9f05f7fd0a103886a867ec8afe621fe4b906a" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/1486cc18be3e2b4c2a730f4a1b0448d009381b3d", "url": "https://git.kernel.org/stable/c/1486cc18be3e2b4c2a730f4a1b0448d009381b3d" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/157ca7d1af45f87aa14a286754f19c3f72386988", "url": "https://git.kernel.org/stable/c/157ca7d1af45f87aa14a286754f19c3f72386988" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/505753ec2594c6af09a601f0dd60be7d840c1d2d", "url": "https://git.kernel.org/stable/c/505753ec2594c6af09a601f0dd60be7d840c1d2d" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/730a18768b27582636b5af343069c30809b763a2", "url": "https://git.kernel.org/stable/c/730a18768b27582636b5af343069c30809b763a2" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/7ac5be2a8609679fc6bbfea881360444a5ce8202", "url": "https://git.kernel.org/stable/c/7ac5be2a8609679fc6bbfea881360444a5ce8202" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/be68aef64ab2e633867c4ac946d16644c306fc3d", "url": "https://git.kernel.org/stable/c/be68aef64ab2e633867c4ac946d16644c306fc3d" } ], "release_date": "2026-09-16T11:16:00Z", "remediations": [ { "category": "vendor_fix", "date": "2026-11-05T12:53:42.499096Z", "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1793883221", "product_ids": [ "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" ], "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1793883221" }, { "category": "none_available", "date": "2026-09-16T11:16:00Z", "details": "Affected", "product_ids": [ "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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