PT-2025-27636 · Linux+4 · Linux Kernel+4

Anubis · Published 2025-05-20 · Updated 2026-05-26 · CVE-2025-38092

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 vulnerability has been resolved in the Linux kernel related to the ksmbd module. The issue involves the use of the list first entry() macro, which never returns NULL but instead returns an invalid pointer if the list is empty. To address this, the list first entry or null() function is used to check if the list is empty.

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

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

BDU:2025-14096

CVE-2025-38092

ECHO-4735-9E7E-7F6C

USN-7769-1

USN-7769-2

USN-7769-3

USN-7770-1

USN-7771-1

USN-7789-1

USN-7789-2

Affected Products

Astra Linux

Debian

Linuxmint

Linux Kernel

Ubuntu

References · 219

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38092.json · Exploit
• https://ubuntu.com/security/CVE-2025-38151 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38038 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38099 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-7771-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38119 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38037 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38096 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38306 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38272 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38311 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2025-38092 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-12-CVE-2025-38092 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38040 · Vendor Advisory
• https://osv.dev/vulnerability/USN-7769-3 · Vendor Advisory