CVE-2025-38570

Severity CVSS v4.0:

Pending analysis

Type:

CWE-416 Use After Free

Publication date:

19/08/2025

Last modified:

26/11/2025

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.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

7.80

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	6.14 (including)	6.15.10 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.16 (including)	6.16.1 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2025-38570

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools