CVE-2023-54279
MIPS: fw: Allow firmware to pass a empty env
Description
In the Linux kernel, the following vulnerability has been resolved: MIPS: fw: Allow firmware to pass a empty env fw_getenv will use env entry to determine style of env, however it is legal for firmware to just pass a empty list. Check if first entry exist before running strchr to avoid null pointer dereference.
INFO
Published Date :
Dec. 30, 2025, 1:16 p.m.
Last Modified :
Dec. 30, 2025, 1:16 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products
The following products are affected by CVE-2023-54279
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Apply the provided kernel patch.
- Recompile the kernel with the patch.
- Deploy the updated kernel.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2023-54279.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-54279 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2023-54279
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-54279 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-54279 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Dec. 30, 2025
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: MIPS: fw: Allow firmware to pass a empty env fw_getenv will use env entry to determine style of env, however it is legal for firmware to just pass a empty list. Check if first entry exist before running strchr to avoid null pointer dereference. Added Reference https://git.kernel.org/stable/c/0f91290774c798199ba4b8df93de5c3156b5163d Added Reference https://git.kernel.org/stable/c/3ef93b7bd9e042db240843f24a80e14da38c6830 Added Reference https://git.kernel.org/stable/c/47e61cadc7a5f3dffd42d2d6fda81be163f1ab82 Added Reference https://git.kernel.org/stable/c/830181ddced5a05a711dc9da8043203b1f33a77e Added Reference https://git.kernel.org/stable/c/a6b54af407873227caef6262e992f5422cdcb6ae Added Reference https://git.kernel.org/stable/c/ad79828f133e98585ab2236cad04a55eb7141bbe Added Reference https://git.kernel.org/stable/c/aeed787bbbbe1b842beec9a065a36c915226f704 Added Reference https://git.kernel.org/stable/c/ee1809ed7bc456a72dc8410b475b73021a3a68d5 Added Reference https://git.kernel.org/stable/c/f334b31625683418aaa2a335470eec950a95a254