BaseFortify

Publication date: 2025-10-01

Last updated on: 2026-01-23

Assigner: kernel.org

Description

In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: Check for null return of devm_kzalloc() in fch_misc_setup() devm_kzalloc() may fail, clk_data->name might be NULL and will cause a NULL pointer dereference later. [ rjw: Subject and changelog edits ]

CVSS Scores

EPSS Scores

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Meta Information

Published

2025-10-01

Last Modified

2026-01-23

Generated

2026-07-07

AI Q&A

2025-10-01

EPSS Evaluated

2026-07-05

NVD

CVE-2023-53483

Affected Vendors & Products

Vendor	Product	Version / Range
linux	linux_kernel	From 5.17 (inc) to 6.1.30 (exc)
linux	linux_kernel	From 6.2 (inc) to 6.3.4 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-476	The product dereferences a pointer that it expects to be valid but is NULL.

Attack-Flow Graph

Executive Summary

This vulnerability occurs in the Linux kernel's ACPI processor code where a function called devm_kzalloc() may fail and return NULL. If this happens, the clk_data->name pointer can be NULL, which later leads to a NULL pointer dereference, potentially causing a system crash or instability.

Impact Analysis

The impact of this vulnerability is that it can cause a NULL pointer dereference in the Linux kernel, which may lead to system crashes or instability, potentially affecting the availability and reliability of the affected system.

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