{"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"}}}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "5BC9596C-E914-45E2-BC73-08B4C2EE32CB", "versionEndExcluding": "6.6.83", "versionStartIncluding": "5.3", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "3D5C8D9A-4013-4C1A-810F-AA540BB5737C", "versionEndExcluding": "6.12.18", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "64F12D9B-71C2-4CD7-A288-0D5EF1709620", "versionEndExcluding": "6.13.6", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:*", "matchCriteriaId": "186716B6-2B66-4BD0-852E-D48E71C0C85F", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:*", "matchCriteriaId": "0D3E781C-403A-498F-9DA9-ECEE50F41E75", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.14:rc3:*:*:*:*:*:*", "matchCriteriaId": "66619FB8-0AAF-4166-B2CF-67B24143261D", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.14:rc4:*:*:*:*:*:*", "matchCriteriaId": "D3D6550E-6679-4560-902D-AF52DCFE905B", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: enetc: Las funciones virtuales no admiten HWTSTAMP_TX_ONESTEP_SYNC. En realidad, las funciones virtuales de ENETC no admiten HWTSTAMP_TX_ONESTEP_SYNC porque solo la funci\u00f3n de protecci\u00f3n de ENETC puede acceder a los registros PMa_SINGLE_STEP. Se producir\u00e1 un fallo si se utilizan funciones virtuales para probar la marca de tiempo de un paso. El registro de fallos es el siguiente. [ 129.110909] No se puede gestionar la solicitud de paginaci\u00f3n del kernel en la direcci\u00f3n virtual 00000000000080c0 [ 129.287769] Rastreo de llamadas: [ 129.290219] enetc_port_mac_wr+0x30/0xec (P) [ 129.294504] enetc_start_xmit+0xda4/0xe74 [ 129.298525] enetc_xmit+0x70/0xec [ 129.301848] dev_hard_start_xmit+0x98/0x118"}], "id": "CVE-2025-21894", "lastModified": "2025-10-31T18:50:01.950", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-04-01T16:15:19.777", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1748531839298ab7be682155f6cd98ae04773e6a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3d9634211121700568d0e3635ebdd5df06d20440"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8c393efd7420cc994864d059fcc6219bfd7cb840"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a562d0c4a893eae3ea51d512c4d90ab858a6b7ec"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: net: enetc: VFs do not support HWTSTAMP_TX_ONESTEP_SYNC", "id": "2356629", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2356629"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet: enetc: VFs do not support HWTSTAMP_TX_ONESTEP_SYNC\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[ 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"], "name": "CVE-2025-21894", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-04-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-21894\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-21894\nhttps://lore.kernel.org/linux-cve-announce/2025040130-CVE-2025-21894-60f0@gregkh/T"], "threat_severity": "Moderate"}

{}