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CVE-2024-56745

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: PCI: Fix reset_method_store() memory leak In reset_method_store(), a string is allocated via kstrndup() and assigned to the loc…

Published Dec 29, 2024CWE-401EPSS 0.21%

Overview

CVE-2024-56745 is a medium-severity vulnerability. It was published on December 29, 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:

PCI: Fix reset_method_store() memory leak

In reset_method_store(), a string is allocated via kstrndup() and assigned

to the local "options". options is then used in with strsep() to find

spaces:

while ((name = strsep(&options, " ")) != NULL) {

If there are no remaining spaces, then options is set to NULL by strsep(),

so the subsequent kfree(options) doesn't free the memory allocated via

kstrndup().

Fix by using a separate tmp_options to iterate with strsep() so options is

preserved.

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/2985b1844f3f3447f2d938eff1ef6762592065a5Refgit.kernel.org/stable/c/403efb4457c0c8f8f51e904cc57d39193780c6bdRefgit.kernel.org/stable/c/543d0eb40e45c6a51f1bff02f417b602e54472d5Refgit.kernel.org/stable/c/8e098baf6bc3f3a6aefc383509aba07e202f7ee0Refgit.kernel.org/stable/c/931d07ccffcc3614f20aaf602b31e89754e21c59Refgit.kernel.org/stable/c/fe6fae61f3b993160aef5fe2b7141a83872c144fReflists.debian.org/debian-lts-announce/2025/03/msg00001.html

How CyberStrike helps

Frequently asked questions

What is CVE-2024-56745?

CVE-2024-56745 is a medium-severity vulnerability. It was published on December 29, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-56745?

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-2024-56745?

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-2024-56745?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-56745 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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