What’s Vulnerable › Vulnerabilities

CVE-2023-54178: of: unittest: fix null pointer dereferencing in of_unittest_find_node_by_name()

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-30 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: of: unittest: fix null pointer dereferencing in of_unittest_find_node_by_name() when kmalloc() fail to allocate memory in kasprintf(), name or full_name will be NULL, strcmp() will cause null pointer dereference.

Affected products

• Linux kernel: 4.14 — fixed in 6.6

How to fix

Upgrade to a fixed version: Linux kernel 6.6. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0b7d715511915a1b39f5fdcbe57a7922dfd66513
• https://git.kernel.org/stable/c/2dd8ee9de71ad8447f8459fb01dade7f6c7132da
• https://git.kernel.org/stable/c/43cc228099c514467b8074d7ede6673cef9f33b9
• https://git.kernel.org/stable/c/c364fa869b33ca42a263bf91c22fce7e6c61d479
• https://git.kernel.org/stable/c/c74ae8124f9687062dd99858f34c9d027ddd73da
• https://git.kernel.org/stable/c/d6ce4f0ea19c32f10867ed93d8386924326ab474
• https://git.kernel.org/stable/c/dadf0d0dfcc81cdcb27ba5426676d13a9e4fb925
• https://git.kernel.org/stable/c/ea5bc6f5aa099e3e84d037282836234ad77cba88
• https://git.kernel.org/stable/c/f41c65f8d05be734898cbe72af59a401b97d298a

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