{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-68342",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-12-16T14:48:05.298Z",
        "datePublished": "2025-12-23T13:58:27.579Z",
        "dateUpdated": "2026-05-11T21:51:20.639Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T21:51:20.639Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: gs_usb: gs_usb_receive_bulk_callback(): check actual_length before accessing data\n\nThe URB received in gs_usb_receive_bulk_callback() contains a struct\ngs_host_frame. The length of the data after the header depends on the\ngs_host_frame hf::flags and the active device features (e.g. time\nstamping).\n\nIntroduce a new function gs_usb_get_minimum_length() and check that we have\nat least received the required amount of data before accessing it. Only\ncopy the data to that skb that has actually been received.\n\n[mkl: rename gs_usb_get_minimum_length() -> +gs_usb_get_minimum_rx_length()]"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/can/usb/gs_usb.c"
                    ],
                    "versions": [
                        {
                            "version": "d08e973a77d128b25e01a08c34d89593fdf222da",
                            "lessThan": "4ffac725154cf6a253f5e6aa0c8946232b6a0af5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d08e973a77d128b25e01a08c34d89593fdf222da",
                            "lessThan": "ad55004a3cb5b41ef78aa6c09e7bc5a489ba652b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d08e973a77d128b25e01a08c34d89593fdf222da",
                            "lessThan": "fb0c7c77a7ae3a2c3404b7d0173b8739a754b513",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d08e973a77d128b25e01a08c34d89593fdf222da",
                            "lessThan": "395d988f93861101ec89d0dd9e3b876ae9392a5b",
                            "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/net/can/usb/gs_usb.c"
                    ],
                    "versions": [
                        {
                            "version": "3.16",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.16",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.119",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.61",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.17.11",
                            "lessThanOrEqual": "6.17.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18",
                            "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": "3.16",
                                    "versionEndExcluding": "6.6.119"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.16",
                                    "versionEndExcluding": "6.12.61"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.16",
                                    "versionEndExcluding": "6.17.11"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.16",
                                    "versionEndExcluding": "6.18"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/4ffac725154cf6a253f5e6aa0c8946232b6a0af5"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ad55004a3cb5b41ef78aa6c09e7bc5a489ba652b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/fb0c7c77a7ae3a2c3404b7d0173b8739a754b513"
                },
                {
                    "url": "https://git.kernel.org/stable/c/395d988f93861101ec89d0dd9e3b876ae9392a5b"
                }
            ],
            "title": "can: gs_usb: gs_usb_receive_bulk_callback(): check actual_length before accessing data",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}