{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-46103",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-05-13T15:03:33.097Z",
        "datePublished": "2026-05-27T12:59:11.533Z",
        "dateUpdated": "2026-06-19T11:59:29.306Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-06-19T11:59:29.306Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: ucan: fix devres lifetime\n\nUSB drivers bind to USB interfaces and any device managed resources\nshould have their lifetime tied to the interface rather than parent USB\ndevice. This avoids issues like memory leaks when drivers are unbound\nwithout their devices being physically disconnected (e.g. on probe\ndeferral or configuration changes).\n\nFix the control message buffer lifetime so that it is released on driver\nunbind."
                }
            ],
            "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/ucan.c"
                    ],
                    "versions": [
                        {
                            "version": "9f2d3eae88d26c29d96e42983b755940d9169cd9",
                            "lessThan": "a90f0815aaa9c629ac4750e7c71c357dd7f231d7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9f2d3eae88d26c29d96e42983b755940d9169cd9",
                            "lessThan": "cb2e41e87a2893345859440017e7178bf7a4c70d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9f2d3eae88d26c29d96e42983b755940d9169cd9",
                            "lessThan": "3df5b9110ac08f67ccfe382fc172bfee95688eec",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9f2d3eae88d26c29d96e42983b755940d9169cd9",
                            "lessThan": "4b7d07747400cfd7eff1ba7b8b5a7c8d5a58f705",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9f2d3eae88d26c29d96e42983b755940d9169cd9",
                            "lessThan": "10b7b676b78a7bd888d19729b459aad7fc1f428b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9f2d3eae88d26c29d96e42983b755940d9169cd9",
                            "lessThan": "c524c124e3094d2de12235a513854c03d06a2b58",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9f2d3eae88d26c29d96e42983b755940d9169cd9",
                            "lessThan": "c0d3ccc6929e4509076df8f30a4fb1dc5018b0ae",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9f2d3eae88d26c29d96e42983b755940d9169cd9",
                            "lessThan": "fed4626501c871890da287bec62a96e52da1af89",
                            "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/ucan.c"
                    ],
                    "versions": [
                        {
                            "version": "4.19",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.19",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.259",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.210",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.175",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.140",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.86",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.27",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.4",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "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": "4.19",
                                    "versionEndExcluding": "5.10.259"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "versionEndExcluding": "6.12.86"
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                                    "versionEndExcluding": "7.0.4"
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "7.1"
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                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/a90f0815aaa9c629ac4750e7c71c357dd7f231d7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cb2e41e87a2893345859440017e7178bf7a4c70d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3df5b9110ac08f67ccfe382fc172bfee95688eec"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4b7d07747400cfd7eff1ba7b8b5a7c8d5a58f705"
                },
                {
                    "url": "https://git.kernel.org/stable/c/10b7b676b78a7bd888d19729b459aad7fc1f428b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c524c124e3094d2de12235a513854c03d06a2b58"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c0d3ccc6929e4509076df8f30a4fb1dc5018b0ae"
                },
                {
                    "url": "https://git.kernel.org/stable/c/fed4626501c871890da287bec62a96e52da1af89"
                }
            ],
            "title": "can: ucan: fix devres lifetime",
            "x_generator": {
                "engine": "bippy-1.2.0"
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        }
    }
}