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CVE-2023-53661

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: bnxt: avoid overflow in bnxt_get_nvram_directory() The value of an arithmetic expression is subject of possible overflow due to…

Published Oct 7, 2025CWE-190EPSS 0.15%

Overview

CVE-2023-53661 is a medium-severity vulnerability. It was published on October 7, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

bnxt: avoid overflow in bnxt_get_nvram_directory()

The value of an arithmetic expression is subject

of possible overflow due to a failure to cast operands to a larger data

type before performing arithmetic. Used macro for multiplication instead

operator for avoiding overflow.

Found by Security Code and Linux Verification

Center (linuxtesting.org) with SVACE.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/17e0453a7523ad7a25bb47af941b150a6c66d7b6Refgit.kernel.org/stable/c/7c6dddc239abe660598c49ec95ea0ed6399a4b2aRefgit.kernel.org/stable/c/d5eaf2a6b077f32a477feb1e9e1c1f60605b460eRefgit.kernel.org/stable/c/efb1a257513438d43f4335f09b2f684e8167cad2

How CyberStrike helps

Frequently asked questions

What is CVE-2023-53661?

CVE-2023-53661 is a medium-severity vulnerability. It was published on October 7, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2023-53661?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-53661?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-53661?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-53661 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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