PT-2024-4122 · Linux+7 · Linux Kernel+7

Jarkko Sakkinen · Published 2024-05-21 · Updated 2025-09-29 · CVE-2024-36967

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 The issue is related to a memory leak in the tpm2 key encode() function in the Trusted Platform Module (TPM) subsystem of the Linux kernel. This leak occurs because the scratch variable is never freed. The fix involves calling kfree() in both the success and error cases. Exploitation of this issue could allow an attacker to cause a denial of service.

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

Exploit

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

ALSA-2025_12746

ALSA-2025_12752

ALSA-2025_12753

ALSA-2025_16880

ALT-PU-2024-10855

ALT-PU-2024-11524

ALT-PU-2024-13979

ALT-PU-2024-14046

BDU:2024-04591

CVE-2024-36967

INFSA-2024_9315

MGASA-2024-0263

MGASA-2024-0266

OPENSUSE-SU-2024_2372-1

OPENSUSE-SU-2024_2394-1

RHSA-2024:9315

RHSA-2024_9315

SUSE-SU-2024:2372-1

SUSE-SU-2024:2394-1

SUSE-SU-2024:2571-1

SUSE-SU-2024:2896-1

SUSE-SU-2024:2939-1

SUSE-SU-2024:2973-1

SUSE-SU-2025:20008-1

SUSE-SU-2025:20028-1

USN-6949-1

USN-6949-2

USN-6950-1

USN-6950-2

USN-6950-3

USN-6950-4

USN-6952-1

USN-6952-2

USN-6955-1

USN-6956-1

USN-6957-1

USN-7019-1

Affected Products

Alt Linux

Astra Linux

Linuxmint

Linux Kernel

Red Hat

Red Os

Suse

Ubuntu

References · 3185

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/36xxx/CVE-2024-36967.json · Exploit
• https://ubuntu.com/security/CVE-2024-36891 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-40984 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-41002 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-41087 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-35858 · Vendor Advisory
• https://osv.dev/vulnerability/USN-6949-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-36489 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-26970 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-38596 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-26966 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-36900 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-35896 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-42101 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-42145 · Vendor Advisory