CVE-2024-38618

5.5 · MEDIUM

Published Jun 19, 2024 linux EPSS 0.65% (48th pctl) CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Overview

CVE-2024-38618 is a medium-severity vulnerability affecting linux linux_kernel. It was published on June 19, 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:

ALSA: timer: Set lower bound of start tick time

Currently ALSA timer doesn't have the lower limit of the start tick

time, and it allows a very small size, e.g. 1 tick with 1ns resolution

for hrtimer. Such a situation may lead to an unexpected RCU stall,

where the callback repeatedly queuing the expire update, as reported

by fuzzer.

This patch introduces a sanity check of the timer start tick time, so

that the system returns an error when a too small start size is set.

As of this patch, the lower limit is hard-coded to 100us, which is

small enough but can still work somehow.

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	>= 0, < 4.19.316	Affected

References

Frequently Asked Questions

What is CVE-2024-38618?

CVE-2024-38618 is a medium-severity vulnerability affecting linux linux_kernel. It was published on June 19, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-38618?

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-2024-38618?

How can CyberStrike help with CVE-2024-38618?

CyberStrike's AI-powered security agents can automatically detect CVE-2024-38618 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

AI agents map your attack surface to find vulnerabilities like this one.

Continuous Pentesting

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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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