{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-71182",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-01-31T11:36:51.185Z",
        "datePublished": "2026-01-31T11:38:55.157Z",
        "dateUpdated": "2026-06-11T18:44:19.058Z"
    },
    "containers": {
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            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T21:56:15.065Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: j1939: make j1939_session_activate() fail if device is no longer registered\n\nsyzbot is still reporting\n\n  unregister_netdevice: waiting for vcan0 to become free. Usage count = 2\n\neven after commit 93a27b5891b8 (\"can: j1939: add missing calls in\nNETDEV_UNREGISTER notification handler\") was added. A debug printk() patch\nfound that j1939_session_activate() can succeed even after\nj1939_cancel_active_session() from j1939_netdev_notify(NETDEV_UNREGISTER)\nhas completed.\n\nSince j1939_cancel_active_session() is processed with the session list lock\nheld, checking ndev->reg_state in j1939_session_activate() with the session\nlist lock held can reliably close the race window."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/can/j1939/transport.c"
                    ],
                    "versions": [
                        {
                            "version": "9d71dd0c70099914fcd063135da3c580865e924c",
                            "lessThan": "ebb0dfd718dd31c8d3600612ca4b7207ec3d923a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9d71dd0c70099914fcd063135da3c580865e924c",
                            "lessThan": "c3a4316e3c746af415c0fd6c6d489ad13f53714d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9d71dd0c70099914fcd063135da3c580865e924c",
                            "lessThan": "46ca9dc978923c5e1247a9e9519240ba7ace413c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9d71dd0c70099914fcd063135da3c580865e924c",
                            "lessThan": "78d87b72cebe2a993fd5b017e9f14fb6278f2eae",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9d71dd0c70099914fcd063135da3c580865e924c",
                            "lessThan": "ba6f0d1832eeb5eb3a6dc5cb30e0f720b3cb3536",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9d71dd0c70099914fcd063135da3c580865e924c",
                            "lessThan": "79dd3f1d9dd310c2af89b09c71f34d93973b200f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9d71dd0c70099914fcd063135da3c580865e924c",
                            "lessThan": "5d5602236f5db19e8b337a2cd87a90ace5ea776d",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/can/j1939/transport.c"
                    ],
                    "versions": [
                        {
                            "version": "5.4",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.4",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.248",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.198",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.161",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.121",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.66",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.6",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19",
                            "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": "5.10.248"
                                },
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
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                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "6.18.6"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/ebb0dfd718dd31c8d3600612ca4b7207ec3d923a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c3a4316e3c746af415c0fd6c6d489ad13f53714d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/46ca9dc978923c5e1247a9e9519240ba7ace413c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/78d87b72cebe2a993fd5b017e9f14fb6278f2eae"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ba6f0d1832eeb5eb3a6dc5cb30e0f720b3cb3536"
                },
                {
                    "url": "https://git.kernel.org/stable/c/79dd3f1d9dd310c2af89b09c71f34d93973b200f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5d5602236f5db19e8b337a2cd87a90ace5ea776d"
                }
            ],
            "title": "can: j1939: make j1939_session_activate() fail if device is no longer registered",
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                "engine": "bippy-1.2.0"
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        },
        "adp": [
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                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2025-71182",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
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                                        "Technical Impact": "partial"
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                                ],
                                "version": "2.0.3",
                                "timestamp": "2026-06-10T20:42:04.625425Z"
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                "title": "CISA ADP Vulnrichment",
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                    "dateUpdated": "2026-06-11T18:44:19.058Z"
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}