{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-21894",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-12-29T08:45:45.783Z",
        "datePublished": "2025-04-01T15:26:47.980Z",
        "dateUpdated": "2026-05-11T21:08:34.841Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T21:08:34.841Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: enetc: VFs do not support HWTSTAMP_TX_ONESTEP_SYNC\n\nActually ENETC VFs do not support HWTSTAMP_TX_ONESTEP_SYNC because only\nENETC PF can access PMa_SINGLE_STEP registers. And there will be a crash\nif VFs are used to test one-step timestamp, the crash log as follows.\n\n[  129.110909] Unable to handle kernel paging request at virtual address 00000000000080c0\n[  129.287769] Call trace:\n[  129.290219]  enetc_port_mac_wr+0x30/0xec (P)\n[  129.294504]  enetc_start_xmit+0xda4/0xe74\n[  129.298525]  enetc_xmit+0x70/0xec\n[  129.301848]  dev_hard_start_xmit+0x98/0x118"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/freescale/enetc/enetc.c",
                        "drivers/net/ethernet/freescale/enetc/enetc_ethtool.c"
                    ],
                    "versions": [
                        {
                            "version": "41514737ecaa603a5127cdccdc5f17ef11b9b3dc",
                            "lessThan": "1748531839298ab7be682155f6cd98ae04773e6a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "41514737ecaa603a5127cdccdc5f17ef11b9b3dc",
                            "lessThan": "3d9634211121700568d0e3635ebdd5df06d20440",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "41514737ecaa603a5127cdccdc5f17ef11b9b3dc",
                            "lessThan": "8c393efd7420cc994864d059fcc6219bfd7cb840",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "41514737ecaa603a5127cdccdc5f17ef11b9b3dc",
                            "lessThan": "a562d0c4a893eae3ea51d512c4d90ab858a6b7ec",
                            "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/ethernet/freescale/enetc/enetc.c",
                        "drivers/net/ethernet/freescale/enetc/enetc_ethtool.c"
                    ],
                    "versions": [
                        {
                            "version": "5.3",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.3",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.83",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.18",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.13.6",
                            "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": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.3",
                                    "versionEndExcluding": "6.6.83"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.3",
                                    "versionEndExcluding": "6.12.18"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.3",
                                    "versionEndExcluding": "6.13.6"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.3",
                                    "versionEndExcluding": "6.14"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/1748531839298ab7be682155f6cd98ae04773e6a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3d9634211121700568d0e3635ebdd5df06d20440"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8c393efd7420cc994864d059fcc6219bfd7cb840"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a562d0c4a893eae3ea51d512c4d90ab858a6b7ec"
                }
            ],
            "title": "net: enetc: VFs do not support HWTSTAMP_TX_ONESTEP_SYNC",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}