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CVE-2024-27047

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: net: phy: fix phy_get_internal_delay accessing an empty array The phy_get_internal_delay function could try to access to an emp…

Published May 1, 2024CWE-476EPSS 0.28%

Overview

CVE-2024-27047 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:

net: phy: fix phy_get_internal_delay accessing an empty array

The phy_get_internal_delay function could try to access to an empty

array in the case that the driver is calling phy_get_internal_delay

without defining delay_values and rx-internal-delay-ps or

tx-internal-delay-ps is defined to 0 in the device-tree.

This will lead to "unable to handle kernel NULL pointer dereference at

virtual address 0". To avoid this kernel oops, the test should be delay

>= 0. As there is already delay < 0 test just before, the test could

only be size == 0.

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/0307cf443308ecc6be9b2ca312bb31bae5e5a7adRefgit.kernel.org/stable/c/06dd21045a7e8bc8701b0ebedcd9a30a6325878bRefgit.kernel.org/stable/c/0e939a002c8a7d66e60bd0ea6b281fb39d713c1aRefgit.kernel.org/stable/c/2a2ff709511617de9c6c072eeee82bcbbdfecaf8Refgit.kernel.org/stable/c/4469c0c5b14a0919f5965c7ceac96b523eb57b79Refgit.kernel.org/stable/c/589ec16174dd9378953b8232ae76fad0a96e1563Refgit.kernel.org/stable/c/c0691de7df1d51482a52cac93b7fe82fd9dd296bRefgit.kernel.org/stable/c/0307cf443308ecc6be9b2ca312bb31bae5e5a7adRefgit.kernel.org/stable/c/06dd21045a7e8bc8701b0ebedcd9a30a6325878bRefgit.kernel.org/stable/c/0e939a002c8a7d66e60bd0ea6b281fb39d713c1a

How CyberStrike helps

Frequently asked questions

What is CVE-2024-27047?

CVE-2024-27047 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-2024-27047?

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-2024-27047?

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-2024-27047?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-27047 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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