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CVE-2024-40919

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: bnxt_en: Adjust logging of firmware messages in case of released token in __hwrm_send() In case of token is released due to tok…

Published Jul 12, 2024CWE-476EPSS 0.29%

Overview

CVE-2024-40919 is a medium-severity vulnerability. It was published on July 12, 2024 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_en: Adjust logging of firmware messages in case of released token in __hwrm_send()

In case of token is released due to token->state == BNXT_HWRM_DEFERRED,

released token (set to NULL) is used in log messages. This issue is

expected to be prevented by HWRM_ERR_CODE_PF_UNAVAILABLE error code. But

this error code is returned by recent firmware. So some firmware may not

return it. This may lead to NULL pointer dereference.

Adjust this issue by adding token pointer check.

Found by 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/8b65eaeae88d4e9f999e806e196dd887b90bfed9Refgit.kernel.org/stable/c/a9b9741854a9fe9df948af49ca5514e0ed0429dfRefgit.kernel.org/stable/c/ca6660c956242623b4cfe9be2a1abc67907c44bfRefgit.kernel.org/stable/c/cde177fa235cd36f981012504a6376315bac03c9Refgit.kernel.org/stable/c/8b65eaeae88d4e9f999e806e196dd887b90bfed9Refgit.kernel.org/stable/c/a9b9741854a9fe9df948af49ca5514e0ed0429dfRefgit.kernel.org/stable/c/ca6660c956242623b4cfe9be2a1abc67907c44bfRefgit.kernel.org/stable/c/cde177fa235cd36f981012504a6376315bac03c9Reflists.debian.org/debian-lts-announce/2025/01/msg00001.html

How CyberStrike helps

Frequently asked questions

What is CVE-2024-40919?

CVE-2024-40919 is a medium-severity vulnerability. It was published on July 12, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-40919?

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-2024-40919?

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-2024-40919?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-40919 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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