{"uuid": "ec01915e-4f53-4914-857a-975a4b87f986", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2025-21894", "type": "published-proof-of-concept", "source": "https://t.me/DarkWebInformer_CVEAlerts/9926", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2025-21894\n\ud83d\udd25 CVSS Score: N/A\n\ud83d\udd39 Description: 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\n\ud83d\udccf Published: 2025-04-01T15:26:47.980Z\n\ud83d\udccf Modified: 2025-04-01T15:26:47.980Z\n\ud83d\udd17 References:\n1. https://git.kernel.org/stable/c/1748531839298ab7be682155f6cd98ae04773e6a\n2. https://git.kernel.org/stable/c/3d9634211121700568d0e3635ebdd5df06d20440\n3. https://git.kernel.org/stable/c/8c393efd7420cc994864d059fcc6219bfd7cb840\n4. https://git.kernel.org/stable/c/a562d0c4a893eae3ea51d512c4d90ab858a6b7ec", "creation_timestamp": "2025-04-01T15:32:46.000000Z"}