PT-2025-25796 · Linux+3 · Linux Kernel+3

Published 2025-06-18 · Updated 2025-08-28 · CVE-2025-38021

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 null pointer dereference issue has been resolved in the Linux kernel. The issue is related to the drm/amd/display component, specifically in the update dchubp dpp function. This function is used in dcn20 program pipe and dcn401 program pipe, and a null check was added to prevent a null pointer dereference. The issue is similar to one previously addressed in commit 6a057072ddd1.

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:2025-10611

CVE-2025-38021

USN-7699-1

USN-7699-2

USN-7721-1

Affected Products

Astra Linux

Linuxmint

Linux Kernel

Ubuntu

References · 131

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38021.json · Exploit
• https://ubuntu.com/security/CVE-2025-37968 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-37955 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-37954 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-37911 · Vendor Advisory
• https://osv.dev/vulnerability/USN-7721-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-37917 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-37898 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38083 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-37956 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-37930 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38019 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-37963 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-37921 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-37973 · Vendor Advisory