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CVE-2024-27009

4.7 · MEDIUM
Published May 1, 2024 linux CWE-362 EPSS 0.18% (7th pctl)

Overview

CVE-2024-27009 is a medium-severity vulnerability affecting linux linux_kernel. It was published on May 1, 2024 and has a CVSS 3.1 base score of 4.7 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.7, 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:

s390/cio: fix race condition during online processing

A race condition exists in ccw_device_set_online() that can cause the

online process to fail, leaving the affected device in an inconsistent

state. As a result, subsequent attempts to set that device online fail

with return code ENODEV.

The problem occurs when a path verification request arrives after

a wait for final device state completed, but before the result state

is evaluated.

Fix this by ensuring that the CCW-device lock is held between

determining final state and checking result state.

Note that since:

commit 2297791c92d0 ("s390/cio: dont unregister subchannel from child-drivers")

path verification requests are much more likely to occur during boot,

resulting in an increased chance of this race condition occurring.

Remediation

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. 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.

Affected Products

Vendor Product Versions Status
linux linux_kernel >= 5.15, < 5.15.157 Affected

References

Ref git.kernel.org/stable/c/2d8527f2f911fab84aec04df4788c0c23af3df48 Ref git.kernel.org/stable/c/2df56f4ea769ff81e51bbb05699989603bde9c49 Ref git.kernel.org/stable/c/3076b3c38a704e10df5e143c213653309d532538 Ref git.kernel.org/stable/c/559f3a6333397ab6cd4a696edd65a70b6be62c6e Ref git.kernel.org/stable/c/a4234decd0fe429832ca81c4637be7248b88b49e Ref git.kernel.org/stable/c/2d8527f2f911fab84aec04df4788c0c23af3df48 Ref git.kernel.org/stable/c/2df56f4ea769ff81e51bbb05699989603bde9c49 Ref git.kernel.org/stable/c/3076b3c38a704e10df5e143c213653309d532538 Ref git.kernel.org/stable/c/559f3a6333397ab6cd4a696edd65a70b6be62c6e Ref git.kernel.org/stable/c/a4234decd0fe429832ca81c4637be7248b88b49e

Frequently Asked Questions

What is CVE-2024-27009?

CVE-2024-27009 is a medium-severity vulnerability affecting linux linux_kernel. It was published on May 1, 2024 and has a CVSS 3.1 base score of 4.7 (MEDIUM).

How severe is CVE-2024-27009?

This vulnerability has a CVSS 3.1 base score of 4.7, 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-2024-27009?

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. 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-2024-27009?

CyberStrike's AI-powered security agents can automatically detect CVE-2024-27009 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

How CyberStrike Helps

Autonomous Discovery

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Code Review

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HackBrowser

Browser-based exploitation validates findings with real proof-of-concept.

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