PT-2025-42243 · Linux+5 · Linux Kernel+5

Published 2025-10-15 · Updated 2026-05-07 · CVE-2025-39968

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

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

Description The Linux kernel contains an issue in the i40e driver where there is no check for the maximum number of filters that a Virtual Function (VF) can request. A boundary check has been added to address this.

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

Exploit

Allocation of Resources Without Limits

Weakness Enumeration

CWE-770

Related Identifiers

AZL-68465

BDU:2026-02761

CVE-2025-39968

DLA-4379-1

DLA-4404-1

DSA-6053-1

ECHO-FBF3-AED9-211A

MGASA-2025-0309

MGASA-2025-0310

OESA-2025-2532

OESA-2025-2536

OESA-2025-2537

OESA-2026-1275

OPENSUSE-SU-2025:20091-1

SUSE-SU-2025:21040-1

SUSE-SU-2025:21052-1

SUSE-SU-2025:21056-1

SUSE-SU-2025:21064-1

SUSE-SU-2025:21080-1

SUSE-SU-2025:21147-1

SUSE-SU-2025:21180-1

SUSE-SU-2025:4057-1

SUSE-SU-2025:4111-1

SUSE-SU-2025:4128-1

SUSE-SU-2025:4132-1

SUSE-SU-2025:4135-1

SUSE-SU-2025:4139-1

SUSE-SU-2025:4140-1

SUSE-SU-2025:4141-1

SUSE-SU-2025:4149-1

SUSE-SU-2025:4188-1

SUSE-SU-2025:4189-1

SUSE-SU-2025:4301-1

SUSE-SU-2025:4320-1

USN-8033-1

USN-8033-2

USN-8033-3

USN-8033-4

USN-8033-5

USN-8033-6

USN-8033-7

USN-8033-8

USN-8034-1

USN-8034-2

USN-8095-1

USN-8095-2

USN-8095-3

USN-8095-4

USN-8095-5

USN-8100-1

USN-8125-1

USN-8126-1

USN-8141-1

USN-8163-1

USN-8163-2

USN-8165-1

USN-8243-1

USN-8261-1

Affected Products

Debian

Linuxmint

Linux Kernel

Suse

Ubuntu

I40E

References · 3044

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39968.json · Exploit
• https://ubuntu.com/security/CVE-2025-38055 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-40092 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-21833 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-39788 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38251 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38543 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2025-0309.html · Security Note
• https://ubuntu.com/security/CVE-2026-23026 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-40284 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-68803 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-40307 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-37844 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-68264 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-23146 · Vendor Advisory