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CVE-2024-39464

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: media: v4l: async: Fix notifier list entry init struct v4l2_async_notifier has several list_head members, but only waiting_list…

Published Jun 25, 2024CWE-476EPSS 0.21%

Overview

CVE-2024-39464 is a medium-severity vulnerability. It was published on June 25, 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:

media: v4l: async: Fix notifier list entry init

struct v4l2_async_notifier has several list_head members, but only

waiting_list and done_list are initialized. notifier_entry was kept

'zeroed' leading to an uninitialized list_head.

This results in a NULL-pointer dereference if csi2_async_register() fails,

e.g. node for remote endpoint is disabled, and returns -ENOTCONN.

The following calls to v4l2_async_nf_unregister() results in a NULL

pointer dereference.

Add the missing list head initializer.

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/44f6d619c30f0c65fcdd2b6eba70fdb4460d87adRefgit.kernel.org/stable/c/6d8acd02c4c6a8f917eefac1de2e035521ca119dRefgit.kernel.org/stable/c/a80d1da923f671c1e6a14e8417cd2f117b27a442Refgit.kernel.org/stable/c/44f6d619c30f0c65fcdd2b6eba70fdb4460d87adRefgit.kernel.org/stable/c/6d8acd02c4c6a8f917eefac1de2e035521ca119dRefgit.kernel.org/stable/c/a80d1da923f671c1e6a14e8417cd2f117b27a442

How CyberStrike helps

Frequently asked questions

What is CVE-2024-39464?

CVE-2024-39464 is a medium-severity vulnerability. It was published on June 25, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-39464?

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-2024-39464?

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-2024-39464?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-39464 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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