{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-21776",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-12-29T08:45:45.763Z",
        "datePublished": "2025-02-27T02:18:21.503Z",
        "dateUpdated": "2026-05-12T12:03:52.412Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T21:06:12.467Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: hub: Ignore non-compliant devices with too many configs or interfaces\n\nRobert Morris created a test program which can cause\nusb_hub_to_struct_hub() to dereference a NULL or inappropriate\npointer:\n\nOops: general protection fault, probably for non-canonical address\n0xcccccccccccccccc: 0000 [#1] SMP DEBUG_PAGEALLOC PTI\nCPU: 7 UID: 0 PID: 117 Comm: kworker/7:1 Not tainted 6.13.0-rc3-00017-gf44d154d6e3d #14\nHardware name: FreeBSD BHYVE/BHYVE, BIOS 14.0 10/17/2021\nWorkqueue: usb_hub_wq hub_event\nRIP: 0010:usb_hub_adjust_deviceremovable+0x78/0x110\n...\nCall Trace:\n <TASK>\n ? die_addr+0x31/0x80\n ? exc_general_protection+0x1b4/0x3c0\n ? asm_exc_general_protection+0x26/0x30\n ? usb_hub_adjust_deviceremovable+0x78/0x110\n hub_probe+0x7c7/0xab0\n usb_probe_interface+0x14b/0x350\n really_probe+0xd0/0x2d0\n ? __pfx___device_attach_driver+0x10/0x10\n __driver_probe_device+0x6e/0x110\n driver_probe_device+0x1a/0x90\n __device_attach_driver+0x7e/0xc0\n bus_for_each_drv+0x7f/0xd0\n __device_attach+0xaa/0x1a0\n bus_probe_device+0x8b/0xa0\n device_add+0x62e/0x810\n usb_set_configuration+0x65d/0x990\n usb_generic_driver_probe+0x4b/0x70\n usb_probe_device+0x36/0xd0\n\nThe cause of this error is that the device has two interfaces, and the\nhub driver binds to interface 1 instead of interface 0, which is where\nusb_hub_to_struct_hub() looks.\n\nWe can prevent the problem from occurring by refusing to accept hub\ndevices that violate the USB spec by having more than one\nconfiguration or interface."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/usb/core/hub.c"
                    ],
                    "versions": [
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                            "version": "d2123fd9e1a56b8006986ed37e0aaf93ef0dd978",
                            "lessThan": "49f077106fa07919a6a6dda99bb490dd1d1a8218",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d2123fd9e1a56b8006986ed37e0aaf93ef0dd978",
                            "lessThan": "d343fe0fad5c1d689775f2dda24a85ce98e29566",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d2123fd9e1a56b8006986ed37e0aaf93ef0dd978",
                            "lessThan": "d3a67adb365cdfdac4620daf38a82e57ca45806c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d2123fd9e1a56b8006986ed37e0aaf93ef0dd978",
                            "lessThan": "c3720b04df84b5459050ae4e03ec7d545652f897",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d2123fd9e1a56b8006986ed37e0aaf93ef0dd978",
                            "lessThan": "e905a0fca7bff0855d312c16f71e60e1773b393e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d2123fd9e1a56b8006986ed37e0aaf93ef0dd978",
                            "lessThan": "62d8f4c5454dd39aded4f343720d1c5a1803cfef",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d2123fd9e1a56b8006986ed37e0aaf93ef0dd978",
                            "lessThan": "5b9778e1fe715700993ce436c152dc3b7df0b490",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d2123fd9e1a56b8006986ed37e0aaf93ef0dd978",
                            "lessThan": "2240fed37afbcdb5e8b627bc7ad986891100e05d",
                            "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/core/hub.c"
                    ],
                    "versions": [
                        {
                            "version": "3.9",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.9",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.291",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.235",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.179",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.129",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.79",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.16",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.13.4",
                            "lessThanOrEqual": "6.13.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.14",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                    "url": "https://git.kernel.org/stable/c/49f077106fa07919a6a6dda99bb490dd1d1a8218"
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                },
                {
                    "url": "https://git.kernel.org/stable/c/2240fed37afbcdb5e8b627bc7ad986891100e05d"
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            ],
            "title": "USB: hub: Ignore non-compliant devices with too many configs or interfaces",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        },
        "adp": [
            {
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"
                    },
                    {
                        "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html"
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                "providerMetadata": {
                    "orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
                    "shortName": "siemens-SADP",
                    "dateUpdated": "2026-05-12T12:03:52.412Z"
                },
                "affected": [
                    {
                        "vendor": "Siemens",
                        "product": "SIMATIC S7-1500 TM MFP - BIOS",
                        "versions": [
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                                "status": "affected",
                                "version": "0",
                                "lessThan": "*",
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                        ],
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}