CVE-2025-38570
High
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedAug 19, 2025
First seenAug 19, 2025
How to fix
Update
- linux linux_kernel6.15.10, 6.16.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 6.14 ≤ v < 6.15.10, 6.16 ≤ v < 6.16.1 | 6.15.10, 6.16.1 |
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