PT-2025-33769 · Linux+3 · Linux Kernel+3

Published 2025-08-04 · Updated 2025-12-15 · CVE-2025-38570

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: Linux kernel (affected versions not specified)

Description: The Linux kernel contains a use-after-free (UaF) issue in the fbnic module within the AF XDP portion of the queues. The vulnerability occurs when a Network Address Port Identifier (NAPI) has been freed, but the system attempts to access it during device opening failures. This was identified through a CI test, specifically in the queues.py test.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2026-01556

CVE-2025-38570

USN-7879-1

USN-7879-2

USN-7879-3

USN-7879-4

USN-7880-1

USN-7934-1

Affected Products

Astra Linux

Linuxmint

Linux Kernel

Ubuntu

References · 232

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38570.json · Exploit
• https://ubuntu.com/security/CVE-2025-38612 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38515 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38666 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38664 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38473 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38526 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38507 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-7879-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38351 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38585 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38561 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38491 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38628 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38619 · Vendor Advisory