{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-98756",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-25T10:25:14.368Z",
        "datePublished": "2026-10-18T15:47:42.085Z",
        "dateUpdated": "2026-10-21T12:56:32.189Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-21T12:56:32.189Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "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."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/usb/cdns3/cdns3-pci-wrap.c"
                    ],
                    "versions": [
                        {
                            "version": "7733f6c32e36ff9d7adadf40001039bf219b1cbe",
                            "lessThan": "dbdd0ca9a7eac140697a366f698a0e2bb02a06a1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7733f6c32e36ff9d7adadf40001039bf219b1cbe",
                            "lessThan": "549c04df02f1bb5a10342f32e2c87f5d27c97279",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7733f6c32e36ff9d7adadf40001039bf219b1cbe",
                            "lessThan": "d16046f1ace2691b6a946f022fe6dc215936880b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7733f6c32e36ff9d7adadf40001039bf219b1cbe",
                            "lessThan": "45b606418bae73c7cde9f0e57e5b0977c816a7c0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7733f6c32e36ff9d7adadf40001039bf219b1cbe",
                            "lessThan": "e5052f2c5c73c1dcca42bafc0bc737af2b2af059",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/usb/cdns3/cdns3-pci-wrap.c"
                    ],
                    "versions": [
                        {
                            "version": "5.4",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.4",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.160",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.113",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.56",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.10",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "6.6.160"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "6.12.113"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "6.18.56"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "7.2.10"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/dbdd0ca9a7eac140697a366f698a0e2bb02a06a1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/549c04df02f1bb5a10342f32e2c87f5d27c97279"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d16046f1ace2691b6a946f022fe6dc215936880b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/45b606418bae73c7cde9f0e57e5b0977c816a7c0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e5052f2c5c73c1dcca42bafc0bc737af2b2af059"
                }
            ],
            "title": "usb: cdns3: Fix NULL pointer dereference in cdns3_pci_probe",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}