PT-2025-34406 · Linux+6 · Linux Kernel+6

Published 2025-01-01 · Updated 2026-05-26 · CVE-2025-38645

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

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

Description: A flaw exists in the Linux kernel's net/mlx5 component where a missing NULL check before accessing device memory could lead to a system crash if the dev->dm allocation in the mlx5 init once() function fails.

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

Exploit

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

AZL-66659

AZL-73623

BDU:2025-15778

CVE-2025-38645

DLA-4328-1

ECHO-B617-DBC5-6397

MGASA-2025-0234

MGASA-2025-0235

OESA-2025-2268

OESA-2025-2269

OESA-2025-2270

OESA-2025-2272

OESA-2025-2273

OPENSUSE-SU-2026:20287-1

SUSE-SU-2025:03600-1

SUSE-SU-2025:03601-1

SUSE-SU-2025:03602-1

SUSE-SU-2025:03633-1

SUSE-SU-2025:03634-1

SUSE-SU-2025:20851-1

SUSE-SU-2025:20861-1

SUSE-SU-2025:20870-1

SUSE-SU-2025:20898-1

SUSE-SU-2025:3725-1

SUSE-SU-2025:3751-1

SUSE-SU-2026:20555-1

SUSE-SU-2026:20599-1

SUSE-SU-2026:20615-1

USN-7879-1

USN-7879-2

USN-7879-3

USN-7879-4

USN-7880-1

USN-7909-1

USN-7909-2

USN-7909-3

USN-7909-4

USN-7909-5

USN-7910-1

USN-7910-2

USN-7933-1

USN-7934-1

USN-7938-1

USN-8028-1

USN-8028-2

USN-8028-3

USN-8028-4

USN-8028-5

USN-8028-6

USN-8028-7

USN-8028-8

USN-8031-1

USN-8031-2

USN-8031-3

USN-8052-1

USN-8052-2

USN-8074-1

USN-8074-2

USN-8126-1

Affected Products

Debian

Linuxmint

Linux Kernel

Red Os

Suse

Ubuntu

Mlx5

References · 2821

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38645.json · Exploit
• https://ubuntu.com/security/CVE-2025-40333 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-68222 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38396 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38576 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-39734 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-22128 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-68183 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-23157 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:03601-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38642 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2025-38645 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38217 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-39795 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-4328-1 · Vendor Advisory