{"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"}}}}