Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 6.14, < 6.15.10 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/21d3f8441c7f317b93ba6a8029610c8b7e3773dbPatch
- https://git.kernel.org/stable/c/4b31bcb025cb497da2b01f87173108ff32d350d2Patch
- https://git.kernel.org/stable/c/4b59f9deff3bdb52b223c85048f1d2924803b817Patch
FAQ
What is CVE-2025-38570?
CVE-2025-38570 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 i...
How severe is CVE-2025-38570?
CVE-2025-38570 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-38570?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.