Bug 2400788 (CVE-2023-53483)

Summary: CVE-2023-53483 kernel: ACPI: processor: Check for null return of devm_kzalloc() in fch_misc_setup()
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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Version: unspecifiedKeywords: Security
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OS: Linux   
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Description OSIDB Bzimport 2025-10-01 12:07:26 UTC 
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 ]
Comment 1 Jon Moroney 2025-10-01 19:18:41 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025100113-CVE-2023-53483-cf50@gregkh/T