CVE-2023-53483

ACPI: processor: Check for null return of devm_kzalloc() in fch_misc_setup()

MEDIUM
5.5
CVSS Score
Published: October 1, 2025 at 11:42 AM UTC
Updated: June 17, 2026 at 06:45 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%

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 ]

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

5.17 ≤ v < 6.1.305.17 ≤ v < 6.3.45.17 ≤ v < 6.46.2 ≤ v < 6.3.45.177fdb98e8a768b3ccc05494d3ea4436047f512b9d
Vendor states this is fixed in 4dea41775d951ff1f7b472a346a8ca3ae7e74455 (fixed)
Vendor states this is fixed in 79ca94bc3e8cc3befa883c7d30b30a27ef0ea386 (fixed)
Vendor states this is fixed in 8a632ff6a2bea49993002b4c46092a2aea625840 (fixed)
Vendor states this is fixed in 5.17 (unaffected)
Vendor states this is fixed in 6.1.30 (unaffected)
Vendor states this is fixed in 6.3.4 (unaffected)
Vendor states this is fixed in 6.4 (unaffected)

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-476

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