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CVE-2024-27002

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: clk: mediatek: Do a runtime PM get on controllers during probe mt8183-mfgcfg has a mutual dependency with genpd during the prob…

Published May 1, 2024CWE-667EPSS 0.17%

Overview

CVE-2024-27002 is a medium-severity vulnerability. It was published on May 1, 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:

clk: mediatek: Do a runtime PM get on controllers during probe

mt8183-mfgcfg has a mutual dependency with genpd during the probing

stage, which leads to a deadlock in the following call stack:

CPU0: genpd_lock --> clk_prepare_lock

genpd_power_off_work_fn()

genpd_lock()

generic_pm_domain::power_off()

clk_unprepare()

clk_prepare_lock()

CPU1: clk_prepare_lock --> genpd_lock

clk_register()

__clk_core_init()

clk_prepare_lock()

clk_pm_runtime_get()

genpd_lock()

Do a runtime PM get at the probe function to make sure clk_register()

won't acquire the genpd lock. Instead of only modifying mt8183-mfgcfg,

do this on all mediatek clock controller probings because we don't

believe this would cause any regression.

Verified on MT8183 and MT8192 Chromebooks.

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/165d226472575b213dd90dfda19d1605dd7c19a8Refgit.kernel.org/stable/c/2f7b1d8b5505efb0057cd1ab85fca206063ea4c3Refgit.kernel.org/stable/c/b62ed25feb342eab052822eff0c554873799a4f5Refgit.kernel.org/stable/c/c0dcd5c072e2a3fff886f673e6a5d9bf8090c4ccRefgit.kernel.org/stable/c/165d226472575b213dd90dfda19d1605dd7c19a8Refgit.kernel.org/stable/c/2f7b1d8b5505efb0057cd1ab85fca206063ea4c3Refgit.kernel.org/stable/c/b62ed25feb342eab052822eff0c554873799a4f5Refgit.kernel.org/stable/c/c0dcd5c072e2a3fff886f673e6a5d9bf8090c4ccReflists.fedoraproject.org/archives/list/[email protected]/message/4EZ6PJW7VOZ224TD7N4JZNU6KV32ZJ53/Reflists.fedoraproject.org/archives/list/[email protected]/message/DAMSOZXJEPUOXW33WZYWCVAY7Z5S7OOY/

How CyberStrike helps

Frequently asked questions

What is CVE-2024-27002?

CVE-2024-27002 is a medium-severity vulnerability. It was published on May 1, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-27002?

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-2024-27002?

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-2024-27002?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-27002 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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