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CVE-2022-50133

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: usb: xhci_plat_remove: avoid NULL dereference Since commit 4736ebd7fcaff1eb8481c140ba494962847d6e0a ("usb: host: xhci-plat: omi…

Published Jun 18, 2025CWE-476EPSS 0.20%

Overview

CVE-2022-50133 is a medium-severity vulnerability. It was published on June 18, 2025 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:

usb: xhci_plat_remove: avoid NULL dereference

Since commit 4736ebd7fcaff1eb8481c140ba494962847d6e0a ("usb: host:

xhci-plat: omit shared hcd if either root hub has no ports")

xhci->shared_hcd can be NULL, which causes the following Oops

on reboot:

[ 710.124450] systemd-shutdown[1]: Rebooting.

[ 710.298861] xhci-hcd xhci-hcd.2.auto: remove, state 4

[ 710.304217] usb usb3: USB disconnect, device number 1

[ 710.317441] xhci-hcd xhci-hcd.2.auto: USB bus 3 deregistered

[ 710.323280] xhci-hcd xhci-hcd.2.auto: remove, state 1

[ 710.328401] usb usb2: USB disconnect, device number 1

[ 710.333515] usb 2-3: USB disconnect, device number 2

[ 710.467649] xhci-hcd xhci-hcd.2.auto: USB bus 2 deregistered

[ 710.475450] Unable to handle kernel NULL pointer dereference at virtual address 00000000000003b8

[ 710.484425] Mem abort info:

[ 710.487265] ESR = 0x0000000096000004

[ 710.491060] EC = 0x25: DABT (current EL), IL

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/371a8af4f26e06b4d51d893b4436f520b48d07fdRefgit.kernel.org/stable/c/d7de14d74d6551f0d097430f9893ce82ad17e5b8

How CyberStrike helps

Frequently asked questions

What is CVE-2022-50133?

CVE-2022-50133 is a medium-severity vulnerability. It was published on June 18, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-50133?

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-2022-50133?

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-2022-50133?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-50133 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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