{ "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-2026-98756-els_os-amazonlinux2els.json" } ], "tracking": { "current_release_date": "2026-11-07T21:44:31Z", "generator": { "date": "2026-11-07T21:44:31Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2026-98756-ELS_OS-AMAZONLINUX2ELS", "initial_release_date": "2026-10-18T16:17:00Z", "revision_history": [ { "date": "2026-10-18T16:17:00Z", "number": "1", "summary": "Initial version" }, { "date": "2026-11-07T21:44:31Z", "number": "2", "summary": "Official Publication" } ], "status": "final", "version": "2" }, "title": "Security 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"vulnerabilities": [ { "cve": "CVE-2026-98756", "notes": [ { "category": "description", "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: cdns3: Fix NULL pointer dereference in cdns3_pci_probe\n\nThe Cadence USBSS controller is a two-function PCI device. The first\nprobed function allocates the driver data and stores it with\npci_set_drvdata(), while the second function reuses it via\npci_get_drvdata() when pci_is_enabled() reports that the first\nfunction has already been probed.\n\nWhen the second function is probed while the first one has been\nenabled but has not yet set its driver data, pci_get_drvdata()\nreturns NULL, and the subsequent wrap->devfn assignment dereferences\na NULL pointer and crashes the kernel.\nlogs:\nCall trace:\n cdns3_pci_probe+0xa4/0x300\n local_pci_probe+0x44/0xa8\n pci_call_probe+0x54/0x158\n pci_device_probe+0x84/0x100\n really_probe+0x184/0x3d0\n __driver_probe_device+0x80/0x178\n driver_probe_device+0x44/0xe8\n __driver_attach+0xec/0x1f8\n bus_for_each_dev+0x7c/0xe0\n driver_attach+0x28/0x38\n bus_add_driver+0x110/0x238\n driver_register+0x64/0x128\n __pci_register_driver+0x50/0x60\n cdns3_pci_driver_init+0x28/0x38\n do_one_initcall+0x5c/0x280\n do_initcalls+0x104/0x1d8\n kernel_init_freeable+0x140/0x218\n kernel_init+0x28/0x1f8\n ret_from_fork+0x10/0x20\n\nReturn -EPROBE_DEFER in this case so that probing is retried after\nthe first function has completed its probe.", "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", 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URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2026-98756" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/399b18b18f54495eeeda8d88e039e6af27d020c9", "url": "https://git.kernel.org/stable/c/399b18b18f54495eeeda8d88e039e6af27d020c9" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/45b606418bae73c7cde9f0e57e5b0977c816a7c0", "url": "https://git.kernel.org/stable/c/45b606418bae73c7cde9f0e57e5b0977c816a7c0" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/549c04df02f1bb5a10342f32e2c87f5d27c97279", "url": "https://git.kernel.org/stable/c/549c04df02f1bb5a10342f32e2c87f5d27c97279" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/88b473800ae11397e2e169aff2e17b041c040409", "url": "https://git.kernel.org/stable/c/88b473800ae11397e2e169aff2e17b041c040409" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/d16046f1ace2691b6a946f022fe6dc215936880b", "url": "https://git.kernel.org/stable/c/d16046f1ace2691b6a946f022fe6dc215936880b" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/dbdd0ca9a7eac140697a366f698a0e2bb02a06a1", "url": "https://git.kernel.org/stable/c/dbdd0ca9a7eac140697a366f698a0e2bb02a06a1" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/e5052f2c5c73c1dcca42bafc0bc737af2b2af059", "url": "https://git.kernel.org/stable/c/e5052f2c5c73c1dcca42bafc0bc737af2b2af059" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/fc13243658da9ed3c4c94aaff77c36a10f441b89", "url": "https://git.kernel.org/stable/c/fc13243658da9ed3c4c94aaff77c36a10f441b89" } ], "release_date": "2026-10-18T16:17:00Z", "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": "2026-10-18T16:17:00Z", "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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