CVE-2023-53483: ACPI: processor: Check for null return of devm_kzalloc() in fch_misc_setup()

Published Oct 1, 2025
·
Updated

In the Linux kernel, the following vulnerability has been resolved:

ACPI: processor: Check for null return of devmkzalloc() in fchmiscsetup()

devmkzalloc() may fail, clkdata->name might be NULL and will cause a NULL pointer dereference later.

[ rjw: Subject and changelog edits ]

Affected Software

3 affected components
Linux Linux kernel
Linux Linux kernel>=5.17<6.1.30
Linux Linux kernel>=6.2<6.3.4

Event History

Oct 1, 2025
CVE Published
via MITRE·11:42 AM
Data Sourced
via MITRE·11:42 AM
Description
Data Sourced
via NVD·12:15 PM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2023-53483?

CVE-2023-53483 has a medium severity level due to the potential for a null pointer dereference leading to application crash.

2

How do I fix CVE-2023-53483?

To fix CVE-2023-53483, ensure you update to the latest version of the Linux kernel where the vulnerability has been patched.

3

What systems are affected by CVE-2023-53483?

CVE-2023-53483 affects various versions of the Linux kernel that implement ACPI support.

4

What potential impacts can occur from CVE-2023-53483?

The impact of CVE-2023-53483 includes system instability and possible denial of service due to a null pointer dereference.

5

Is CVE-2023-53483 being actively exploited?

As of now, there have been no reported active exploits for CVE-2023-53483.

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