PT-2023-8714 · Linux+7 · Linux Kernel+7

Kunwu Chan · Published 2023-12-07 · Updated 2025-09-29 · CVE-2023-52467

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 null pointer dereference in the of syscon register() function of the Linux kernel's MFD driver. This can be exploited to cause a denial of service. The kasprintf() function returns a pointer to dynamically allocated memory, which can be NULL upon failure.

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-2024-17576

BDU:2024-01667

CVE-2023-52467

DLA-3841-1

INFSA-2024_9315

OESA-2024-1394

OESA-2024-1395

OESA-2024-1396

OESA-2024-1397

OPENSUSE-SU-2024_1322-1

OPENSUSE-SU-2024_1322-2

OPENSUSE-SU-2024_1466-1

OPENSUSE-SU-2024_1480-1

RHSA-2024:9315

RHSA-2024_9315

SUSE-SU-2024:0855-1

SUSE-SU-2024:0900-1

SUSE-SU-2024:0900-2

SUSE-SU-2024:0977-1

SUSE-SU-2024:1466-1

SUSE-SU-2024:1480-1

USN-6688-1

USN-6725-1

USN-6725-2

USN-6765-1

USN-6818-1

USN-6818-2

USN-6818-3

USN-6818-4

USN-6819-1

USN-6819-2

USN-6819-3

USN-6819-4

Affected Products

Alt Linux

Astra Linux

Linuxmint

Linux Kernel

Red Hat

Red Os

Suse

Ubuntu

References · 720

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52467.json · Exploit
• https://ubuntu.com/security/CVE-2024-26650 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-52677 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-52472 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-52698 · Vendor Advisory
• https://osv.dev/vulnerability/USN-6818-2 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-52605 · Vendor Advisory
• https://osv.dev/vulnerability/USN-6819-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-52611 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-26668 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-26585 · Security Note
• https://wiki.astralinux.ru/astra-linux-se16-bulletin-20241017SE16 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-52465 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-26631 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-52467 · Security Note