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CVE-2024-27392

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: nvme: host: fix double-free of struct nvme_id_ns in ns_update_nuse() When nvme_identify_ns() fails, it frees the pointer to the…

Published May 1, 2024CWE-415EPSS 0.26%

Overview

CVE-2024-27392 is a high-severity vulnerability. It was published on May 1, 2024 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. 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:

nvme: host: fix double-free of struct nvme_id_ns in ns_update_nuse()

When nvme_identify_ns() fails, it frees the pointer to the struct

nvme_id_ns before it returns. However, ns_update_nuse() calls kfree()

for the pointer even when nvme_identify_ns() fails. This results in

KASAN double-free, which was observed with blktests nvme/045 with

proposed patches [1] on the kernel v6.8-rc7. Fix the double-free by

skipping kfree() when nvme_identify_ns() fails.

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/534f9dc7fe495b3f9cc84363898ac50c5a25fccbRefgit.kernel.org/stable/c/8d0d2447394b13fb22a069f0330f9c49b7fff9d3Refgit.kernel.org/stable/c/534f9dc7fe495b3f9cc84363898ac50c5a25fccbRefgit.kernel.org/stable/c/8d0d2447394b13fb22a069f0330f9c49b7fff9d3

How CyberStrike helps

Frequently asked questions

What is CVE-2024-27392?

CVE-2024-27392 is a high-severity vulnerability. It was published on May 1, 2024 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2024-27392?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2024-27392?

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-2024-27392?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-27392 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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