CVE-2023-54189
Unknown Unknown - Not Provided

NULL Pointer Dereference in Linux Kernel pstore/ram Component

Publication date: 2025-12-30

Last updated on: 2025-12-30

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: pstore/ram: Add check for kstrdup Add check for the return value of kstrdup() and return the error if it fails in order to avoid NULL pointer dereference.

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Meta Information

Published
2025-12-30
Last Modified
2025-12-30
Generated
2026-07-06
AI Q&A
2025-12-30
EPSS Evaluated
2026-07-05
NVD
CVE-2023-54189
EUVD
EUVD-2023-60452

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *

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Exploitability

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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability in the Linux kernel involves the pstore/ram component where the function kstrdup() was called without checking its return value. If kstrdup() fails and returns NULL, the lack of a check can lead to a NULL pointer dereference, which is a type of error that can cause the system to crash or behave unexpectedly. The fix adds a check for the return value of kstrdup() and returns an error if it fails, preventing the NULL pointer dereference.

Impact Analysis

This vulnerability can cause a NULL pointer dereference in the Linux kernel, potentially leading to system crashes or instability. This can affect system reliability and availability, possibly causing downtime or disruption of services running on affected Linux systems.

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