{"id":"CVE-2025-21894","summary":"net: enetc: VFs do not support HWTSTAMP_TX_ONESTEP_SYNC","details":"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","modified":"2026-04-02T12:45:16.090355Z","published":"2025-04-01T15:26:47.980Z","related":["SUSE-SU-2025:01614-1","SUSE-SU-2025:01707-1","SUSE-SU-2025:01919-1","SUSE-SU-2025:01951-1","SUSE-SU-2025:01964-1","SUSE-SU-2025:01967-1","SUSE-SU-2025:20192-1","SUSE-SU-2025:20206-1","SUSE-SU-2025:20270-1","SUSE-SU-2025:20283-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21894.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/1748531839298ab7be682155f6cd98ae04773e6a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3d9634211121700568d0e3635ebdd5df06d20440"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8c393efd7420cc994864d059fcc6219bfd7cb840"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a562d0c4a893eae3ea51d512c4d90ab858a6b7ec"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21894.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-21894"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"41514737ecaa603a5127cdccdc5f17ef11b9b3dc"},{"fixed":"1748531839298ab7be682155f6cd98ae04773e6a"},{"fixed":"3d9634211121700568d0e3635ebdd5df06d20440"},{"fixed":"8c393efd7420cc994864d059fcc6219bfd7cb840"},{"fixed":"a562d0c4a893eae3ea51d512c4d90ab858a6b7ec"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-21894.json"}}],"schema_version":"1.7.5"}