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CVE-2022-50470

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: xhci: Remove device endpoints from bandwidth list when freeing the device Endpoints are normally deleted from the bandwidth lis…

Published Oct 4, 2025CWE-415EPSS 0.17%

Overview

CVE-2022-50470 is a high-severity vulnerability. It was published on October 4, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. 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:

xhci: Remove device endpoints from bandwidth list when freeing the device

Endpoints are normally deleted from the bandwidth list when they are

dropped, before the virt device is freed.

If xHC host is dying or being removed then the endpoints aren't dropped

cleanly due to functions returning early to avoid interacting with a

non-accessible host controller.

So check and delete endpoints that are still on the bandwidth list when

freeing the virt device.

Solves a list_del corruption kernel crash when unbinding xhci-pci,

caused by xhci_mem_cleanup() when it later tried to delete already freed

endpoints from the bandwidth list.

This only affects hosts that use software bandwidth checking, which

currenty is only the xHC in intel Panther Point PCH (Ivy Bridge)

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/3bf860a41e0f2fcea0ac3aae8f7ef887a7994b70Refgit.kernel.org/stable/c/5aed5b7c2430ce318a8e62f752f181e66f0d1053Refgit.kernel.org/stable/c/5e4ce28ad907aa54f13b21d5f1dc490525957b0cRefgit.kernel.org/stable/c/678d2cc2041cc6ce05030852dce9ad42719abcfcRefgit.kernel.org/stable/c/8f1cd9633d1f21efc13e8fc75be8f2b6bb85e38cRefgit.kernel.org/stable/c/c892a81c7424b4f6a660cb9c249d354ccf3afecaRefgit.kernel.org/stable/c/cebbc8d335d6bcc1316584f779c08f80287c6af8Refgit.kernel.org/stable/c/f0de39474078adef6ece7a183e34c15ce2c1d8d1

How CyberStrike helps

Frequently asked questions

What is CVE-2022-50470?

CVE-2022-50470 is a high-severity vulnerability. It was published on October 4, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2022-50470?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2022-50470?

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-2022-50470?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-50470 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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