CVE-2025-21894

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Source
https://cve.org/CVERecord?id=CVE-2025-21894
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-21894.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2025-21894
Downstream
Related
Published
2025-04-01T15:26:47.980Z
Modified
2026-03-11T07:52:06.833689Z
Summary
net: enetc: VFs do not support HWTSTAMP_TX_ONESTEP_SYNC
Details

In the Linux kernel, the following vulnerability has been resolved:

net: enetc: VFs do not support HWTSTAMPTXONESTEP_SYNC

Actually ENETC VFs do not support HWTSTAMPTXONESTEPSYNC because only ENETC PF can access PMaSINGLE_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] enetcportmacwr+0x30/0xec (P) [ 129.294504] enetcstartxmit+0xda4/0xe74 [ 129.298525] enetcxmit+0x70/0xec [ 129.301848] devhardstart_xmit+0x98/0x118

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21894.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Git / 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/osv-test-cve-osv-conversion/osv-output/CVE-2025-21894.json"