PT-2025-40190 · Linux+3 · Linux Kernel+3

Published 2023-02-26 · Updated 2026-04-20 · CVE-2023-53483

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 Linux kernel contains a flaw in the ACPI processor component related to the devm kzalloc() function. A failure in devm kzalloc() can lead to a NULL pointer dereference because clk data->name might be NULL. This issue occurs within the fch misc setup() function.

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

BDU:2026-03591

CESA-2024_3138

CVE-2023-53483

RHSA-2024:3138

RHSA-2024:9315

RHSA-2024_3138

RHSA-2024_9315

Affected Products

Centos

Debian

Linux Kernel

Red Hat

References · 22

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53483.json · Exploit
• https://git.kernel.org/stable/c/8a632ff6a2bea49993002b4c46092a2aea625840 · Patch
• https://git.kernel.org/stable/c/4dea41775d951ff1f7b472a346a8ca3ae7e74455 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2023-53483 · Security Note
• https://git.kernel.org/stable/c/79ca94bc3e8cc3befa883c7d30b30a27ef0ea386 · Patch
• https://osv.dev/vulnerability/CVE-2023-53483 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-03591 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-53483 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-53483 · Security Note
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-11-CVE-2023-53483 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-53483 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-53483 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-53483 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2204-CVE-2023-53483 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2023-53483 · Vendor Advisory