PT-2024-10443 · Linux+5 · Linux Kernel+5

Published 2024-07-30 · Updated 2025-09-29 · CVE-2024-42121

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 issue is related to the drm/amd/display component of the Linux kernel, where the msg id is used as an array index and cannot be a negative value, specifically not equal to MOD HDCP MESSAGE ID INVALID (-1). The vulnerability is resolved by checking whether msg id is valid before reading and setting, which fixes 4 OVERRUN issues reported by Coverity.

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

Exploit

Improper Validation of Array Index

RCE

Weakness Enumeration

CWE-129

CWE-20

Related Identifiers

BDU:2025-00983

CVE-2024-42121

DLA-4008-1

DSA-5747-1

MGASA-2024-0277

MGASA-2024-0278

OESA-2024-2076

OPENSUSE-SU-2024_3190-1

OPENSUSE-SU-2024_3209-1

OPENSUSE-SU-2024_3483-1

SUSE-SU-2024:3190-1

SUSE-SU-2024:3194-1

SUSE-SU-2024:3195-1

SUSE-SU-2024:3209-1

SUSE-SU-2024:3383-1

SUSE-SU-2024:3483-1

SUSE-SU-2025:20044-1

SUSE-SU-2025:20047-1

USN-7007-1

USN-7007-2

USN-7007-3

USN-7009-1

USN-7009-2

USN-7019-1

USN-7089-1

USN-7089-2

USN-7089-3

USN-7089-4

USN-7089-5

USN-7089-6

USN-7089-7

USN-7090-1

USN-7095-1

USN-7156-1

Affected Products

Astra Linux

Linuxmint

Linux Kernel

Red Os

Suse

Ubuntu

References · 2314

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/42xxx/CVE-2024-42121.json · Exploit
• 🔥 https://github.com/tr3ee/CVE-2022-23222 · Exploit
• 🔥 https://github.com/tr3ee/CVE-2021-4204 · Exploit
• 🔥 https://github.com/PenteraIO/CVE-2022-23222-POC · Exploit
• 🔥 https://github.com/MaherAzzouzi/CVE-2024-26817-amdkfd · Exploit
• https://ubuntu.com/security/CVE-2024-40957 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-26999 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-40984 · Vendor Advisory
• https://git.kernel.org/stable/c/b5b8837d066cc182ff69fb5629ad32ade5484567 · Patch
• https://ubuntu.com/security/CVE-2024-41002 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-43884 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-39504 · Security Note
• https://ubuntu.com/security/CVE-2024-38780 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-46803 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-41087 · Vendor Advisory