CVE-2025-21894

Description

In the Linux kernel, the following vulnerability has been resolved: net: enetc: VFs do not support HWTSTAMP_TX_ONESTEP_SYNC Actually ENETC VFs do not support HWTSTAMP_TX_ONESTEP_SYNC because only ENETC PF can access PMa_SINGLE_STEP registers. And there will be a crash if VFs are used to test one-step timestamp, the crash log as follows. [ 129.110909] Unable to handle kernel paging request at virtual address 00000000000080c0 [ 129.287769] Call trace: [ 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

Reserved 2024-12-29 | Published 2025-04-01 | Updated 2025-05-04 | Assigner Linux

Product status

Default status
unaffected

41514737ecaa603a5127cdccdc5f17ef11b9b3dc before 1748531839298ab7be682155f6cd98ae04773e6a
affected

41514737ecaa603a5127cdccdc5f17ef11b9b3dc before 3d9634211121700568d0e3635ebdd5df06d20440
affected

41514737ecaa603a5127cdccdc5f17ef11b9b3dc before 8c393efd7420cc994864d059fcc6219bfd7cb840
affected

41514737ecaa603a5127cdccdc5f17ef11b9b3dc before a562d0c4a893eae3ea51d512c4d90ab858a6b7ec
affected

Default status
affected

5.3
affected

Any version before 5.3
unaffected

6.6.83
unaffected

6.12.18
unaffected

6.13.6
unaffected

6.14
unaffected

References

git.kernel.org/...c/1748531839298ab7be682155f6cd98ae04773e6a

git.kernel.org/...c/3d9634211121700568d0e3635ebdd5df06d20440

git.kernel.org/...c/8c393efd7420cc994864d059fcc6219bfd7cb840

git.kernel.org/...c/a562d0c4a893eae3ea51d512c4d90ab858a6b7ec

cve.org (CVE-2025-21894)

nvd.nist.gov (CVE-2025-21894)

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