PT-2024-30715 · Linux+4 · Linux Kernel+4

Published 2024-07-04 · Updated 2025-10-03 · CVE-2024-43857

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 concerns a null reference error in the Linux kernel when checking the end of a zone. This error occurs due to a potentially null pointer being accessed by the is end zone blkaddr() function, which checks the last block of a zone when f2fs is mounted as a single device.

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

ALSA-2025_12746

ALSA-2025_12752

ALSA-2025_12753

ALSA-2025_16880

ALT-PU-2025-12647

AZL-48056

BDU:2025-02952

CVE-2024-43857

OESA-2025-1097

USN-7154-1

USN-7154-2

USN-7155-1

USN-7156-1

USN-7196-1

Affected Products

Alt Linux

Linuxmint

Linux Kernel

Red Os

Ubuntu

References · 789

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/43xxx/CVE-2024-43857.json · Exploit
• https://ubuntu.com/security/CVE-2024-41079 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-46753 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-53057 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-53123 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-56769 · Security Note
• https://ubuntu.com/security/CVE-2024-42295 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-46795 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-45026 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-42127 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-46815 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-46825 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-43895 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-42238 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-42278 · Vendor Advisory