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CVE-2025-38570

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CVE-2025-38570

Published: Aug 19, 2025

Modified: May 11, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: eth: fbnic: unlink NAPIs from queues on error to open CI hit a UaF in fbnic in the AF_XDP portion of the queues.py test. The UaF is in the __sk_mark_napi_id_once() call in xsk_bind(), NAPI has been freed. Looks like the device failed to open earlier, and we lack clearing the NAPI pointer from the queue.

VendorProductVersions

Linux

Linux

affected
557d02238e05eb66b9aba9a1f90f3a2131c6c887 - < 21d3f8441c7f317b93ba6a8029610c8b7e3773db
affected
557d02238e05eb66b9aba9a1f90f3a2131c6c887 - < 4b59f9deff3bdb52b223c85048f1d2924803b817
affected
557d02238e05eb66b9aba9a1f90f3a2131c6c887 - < 4b31bcb025cb497da2b01f87173108ff32d350d2

Linux

Linux

affected
6.14
unaffected
0 - < 6.14
unaffected
6.15.10 - <= 6.15.*
unaffected
6.16.1 - <= 6.16.*
unaffected
6.17 - <= *

References

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