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CVE-2024-38567

5.5 · MEDIUM
Published Jun 19, 2024 linux EPSS 0.25% (17th pctl)

Overview

CVE-2024-38567 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:

wifi: carl9170: add a proper sanity check for endpoints

Syzkaller reports [1] hitting a warning which is caused by presence

of a wrong endpoint type at the URB sumbitting stage. While there

was a check for a specific 4th endpoint, since it can switch types

between bulk and interrupt, other endpoints are trusted implicitly.

Similar warning is triggered in a couple of other syzbot issues [2].

Fix the issue by doing a comprehensive check of all endpoints

taking into account difference between high- and full-speed

configuration.

[1] Syzkaller report:

...

WARNING: CPU: 0 PID: 4721 at drivers/usb/core/urb.c:504 usb_submit_urb+0xed6/0x1880 drivers/usb/core/urb.c:504

...

Call Trace:

<TASK>

carl9170_usb_send_rx_irq_urb+0x273/0x340 drivers/net/wireless/ath/carl9170/usb.c:504

carl9170_usb_init_device drivers/net/wireless/ath/carl9170/usb.c:939 [inline]

carl9170_usb_firmware_finish drivers/net/wireless/ath/carl9170/usb.c:9

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 >= 2.6.37, < 4.19.316 Affected

References

Ref git.kernel.org/stable/c/03ddc74bdfd71b84a55c9f2185d8787f258422cd Ref git.kernel.org/stable/c/0fa08a55201ab9be72bacb8ea93cf752d338184f Ref git.kernel.org/stable/c/265c3cda471c26e0f25d0c755da94e1eb15d7a0c Ref git.kernel.org/stable/c/62eb07923f3693d55b0c2d9a5a4f1ad72cb6b8fd Ref git.kernel.org/stable/c/6a9892bf24c906b4d6b587f8759ca38bff672582 Ref git.kernel.org/stable/c/8650725bb0a48b206d5a8ddad3a7488f9a5985b7 Ref git.kernel.org/stable/c/ac3ed46a8741d464bc70ebdf7433c1d786cf329d Ref git.kernel.org/stable/c/b6dd09b3dac89b45d1ea3e3bd035a3859c0369a0 Ref git.kernel.org/stable/c/eb0f2fc3ff5806cc572cd9055ce7c52a01e97645 Ref git.kernel.org/stable/c/03ddc74bdfd71b84a55c9f2185d8787f258422cd

Frequently Asked Questions

What is CVE-2024-38567?

CVE-2024-38567 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-2024-38567?

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-2024-38567?

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-2024-38567?

CyberStrike's AI-powered security agents can automatically detect CVE-2024-38567 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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HackBrowser

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

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