CVE-2024-36887

5.5 · MEDIUM

Published May 30, 2024 linux EPSS 0.24% (15th pctl) CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Overview

CVE-2024-36887 is a medium-severity vulnerability affecting linux linux_kernel. It was published on May 30, 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:

e1000e: change usleep_range to udelay in PHY mdic access

This is a partial revert of commit 6dbdd4de0362 ("e1000e: Workaround

for sporadic MDI error on Meteor Lake systems"). The referenced commit

used usleep_range inside the PHY access routines, which are sometimes

called from an atomic context. This can lead to a kernel panic in some

scenarios, such as cable disconnection and reconnection on vPro systems.

Solve this by changing the usleep_range calls back to udelay.

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	>= 6.6.26, < 6.6.31	Affected

References

Ref git.kernel.org/stable/c/387f295cb2150ed164905b648d76dfcbd3621778 Ref git.kernel.org/stable/c/950d5226cd6bb83ba720961a8d4d5cf79e6afd57 Ref git.kernel.org/stable/c/f8a139656c95db893a543159873c57a470d7376d Ref git.kernel.org/stable/c/387f295cb2150ed164905b648d76dfcbd3621778 Ref git.kernel.org/stable/c/950d5226cd6bb83ba720961a8d4d5cf79e6afd57 Ref git.kernel.org/stable/c/f8a139656c95db893a543159873c57a470d7376d

Frequently Asked Questions

What is CVE-2024-36887?

CVE-2024-36887 is a medium-severity vulnerability affecting linux linux_kernel. It was published on May 30, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-36887?

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-2024-36887?

How can CyberStrike help with CVE-2024-36887?

CyberStrike's AI-powered security agents can automatically detect CVE-2024-36887 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.

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