CVE-2023-53364
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-09-17

Last updated on: 2025-12-11

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: regulator: da9063: better fix null deref with partial DT Two versions of the original patch were sent but V1 was merged instead of V2 due to a mistake. So update to V2. The advantage of V2 is that it completely avoids dereferencing the pointer, even just to take the address, which may fix problems with some compilers. Both versions work on my gcc 9.4 but use the safer one.
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Meta Information
Published
2025-09-17
Last Modified
2025-12-11
Generated
2026-06-16
AI Q&A
2025-09-17
EPSS Evaluated
2026-06-14
NVD
CVE-2023-53364
Affected Vendors & Products
Showing 5 associated CPEs
Vendor Product Version / Range
linux linux_kernel From 6.4.7 (inc) to 6.4.12 (exc)
linux linux_kernel 6.5
linux linux_kernel 6.5
linux linux_kernel 6.5
linux linux_kernel 6.5
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-476 The product dereferences a pointer that it expects to be valid but is NULL.
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Executive Summary

This vulnerability is related to the Linux kernel's regulator for da9063. It involves a null pointer dereference issue in the device tree (DT) handling. The original patch to fix this had two versions, but the first version was merged by mistake. The correct fix (V2) avoids dereferencing the pointer entirely, even to take its address, which prevents potential problems with some compilers. Updating to the V2 patch resolves the issue.

Impact Analysis

The vulnerability could cause the Linux kernel to dereference a null pointer, potentially leading to kernel crashes or instability. This can affect system reliability and availability, possibly causing unexpected reboots or failures in devices using the da9063 regulator.

Mitigation Strategies

Update the Linux kernel to include the V2 patch that fixes the null pointer dereference issue in the regulator: da9063 driver. The V2 patch completely avoids dereferencing the pointer and is safer than the originally merged V1 patch.

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