{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-74458",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-15T05:44:03.900Z",
        "datePublished": "2026-08-15T12:27:00.053Z",
        "dateUpdated": "2026-08-19T16:36:54.341Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-19T16:36:54.341Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: kvaser_usb_leaf: kvaser_usb_leaf_wait_cmd(): validate received command extents\n\nThe wait and bulk receive paths walk variable-length commands from a\nUSB buffer. A nonzero command shorter than CMD_HEADER_LEN can still be\ndispatched, and the wait path copies a matching command into a fixed\ncaller-owned struct kvaser_cmd using the device-provided length.\n\nReject nonzero commands that do not contain the fixed header or that\nextend beyond the current USB buffer item. In the wait path, also reject\na matching command that exceeds the destination before copying it."
                }
            ],
            "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/kvaser_usb/kvaser_usb_leaf.c"
                    ],
                    "versions": [
                        {
                            "version": "080f40a6fa28dab299da7a652e444b1e2d9231e7",
                            "lessThan": "c00ec53d7dec08134e97071850cc00ef000c5b77",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "080f40a6fa28dab299da7a652e444b1e2d9231e7",
                            "lessThan": "d9e91672526ffa279709b15490118aea1bdee714",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "080f40a6fa28dab299da7a652e444b1e2d9231e7",
                            "lessThan": "72f96c2942f11a0ae8663adcb3d9ee986e07d4fa",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "080f40a6fa28dab299da7a652e444b1e2d9231e7",
                            "lessThan": "695aea154bb2d453e6daada1510972fafd075285",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "080f40a6fa28dab299da7a652e444b1e2d9231e7",
                            "lessThan": "3d0897ec623e422695d70d80ae456f89476c5328",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "080f40a6fa28dab299da7a652e444b1e2d9231e7",
                            "lessThan": "185cb1fa38142a3cbf223dd8b3abb24217f330d3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "080f40a6fa28dab299da7a652e444b1e2d9231e7",
                            "lessThan": "21f0465fd86d77794aaed8e05f833634f68d178d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "080f40a6fa28dab299da7a652e444b1e2d9231e7",
                            "lessThan": "0293dd153f9dbc1ddf5dacdccc76b363bce4a8ee",
                            "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/kvaser_usb/kvaser_usb_leaf.c"
                    ],
                    "versions": [
                        {
                            "version": "3.8",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.8",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.265",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.216",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.183",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.151",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.103",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.44",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.8",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "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": "3.8",
                                    "versionEndExcluding": "5.10.265"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.8",
                                    "versionEndExcluding": "5.15.216"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.8",
                                    "versionEndExcluding": "6.1.183"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.8",
                                    "versionEndExcluding": "6.6.151"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.8",
                                    "versionEndExcluding": "6.12.103"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.8",
                                    "versionEndExcluding": "6.18.44"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.8",
                                    "versionEndExcluding": "7.1.8"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.8",
                                    "versionEndExcluding": "7.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/c00ec53d7dec08134e97071850cc00ef000c5b77"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d9e91672526ffa279709b15490118aea1bdee714"
                },
                {
                    "url": "https://git.kernel.org/stable/c/72f96c2942f11a0ae8663adcb3d9ee986e07d4fa"
                },
                {
                    "url": "https://git.kernel.org/stable/c/695aea154bb2d453e6daada1510972fafd075285"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3d0897ec623e422695d70d80ae456f89476c5328"
                },
                {
                    "url": "https://git.kernel.org/stable/c/185cb1fa38142a3cbf223dd8b3abb24217f330d3"
                },
                {
                    "url": "https://git.kernel.org/stable/c/21f0465fd86d77794aaed8e05f833634f68d178d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0293dd153f9dbc1ddf5dacdccc76b363bce4a8ee"
                }
            ],
            "title": "can: kvaser_usb_leaf: kvaser_usb_leaf_wait_cmd(): validate received command extents",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}