PT-2025-14305 · Linux+6 · Linux Kernel+6

Published 2025-02-28 · Updated 2026-04-20 · CVE-2025-21924

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 issue in the Linux kernel has been identified where the hclge ptp get cycle function may return an error during the initialization of ptp, potentially leading to the ptp clock not being unregistered and freed. To address this, the hclge ptp destroy clock function is called to unregister and free the clock if hclge ptp get cycle fails.

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

Exploit

Improper Initialization

Weakness Enumeration

CWE-665

CWE-459

Related Identifiers

BDU:2025-04714

CVE-2025-21924

DLA-4193-1

DSA-5900-1

ECHO-45C0-9CD6-B1BD

OESA-2025-1463

OPENSUSE-SU-2025_01614-1

OPENSUSE-SU-2025_01707-1

SUSE-SU-2025:01614-1

SUSE-SU-2025:01707-1

SUSE-SU-2025:01919-1

SUSE-SU-2025:01951-1

SUSE-SU-2025:01964-1

SUSE-SU-2025:01967-1

SUSE-SU-2025:20192-1

SUSE-SU-2025:20206-1

SUSE-SU-2025:20270-1

SUSE-SU-2025:20283-1

SUSE-SU-2025_01614-1

SUSE-SU-2025_01707-1

SUSE-SU-2025_01951-1

SUSE-SU-2025_01964-1

SUSE-SU-2025_01967-1

USN-7510-1

USN-7510-2

USN-7510-3

USN-7510-4

USN-7510-5

USN-7510-6

USN-7510-7

USN-7510-8

USN-7511-1

USN-7511-2

USN-7511-3

USN-7512-1

USN-7593-1

USN-7602-1

USN-7605-1

USN-7605-2

USN-7606-1

USN-7628-1

USN-7764-1

USN-7764-2

USN-7765-1

USN-7766-1

USN-7767-1

USN-7767-2

USN-7779-1

USN-7790-1

USN-7800-1

USN-7801-1

USN-7801-2

USN-7801-3

USN-7802-1

USN-7809-1

Affected Products

Astra Linux

Debian

Linuxmint

Linux Kernel

Red Os

Suse

Ubuntu

References · 1942

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21924.json · Exploit
• https://osv.dev/vulnerability/USN-7764-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-21871 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-37798 · Vendor Advisory
• https://osv.dev/vulnerability/USN-7593-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-21791 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-21978 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-7800-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-46821 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-21820 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-8805 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-7764-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-21977 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-7510-6 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-21989 · Vendor Advisory