Linux Kernel up to 6.0.9 USB Device Remove xillyusb.c use after free

Summaryinfo

A vulnerability marked as critical has been reported in Linux Kernel up to 6.0.9. This affects an unknown function of the file drivers/char/xillybus/xillyusb.c of the component USB Device Remove Handler. Performing a manipulation results in use after free. This vulnerability is known as CVE-2022-45888. The attack may be carried out on the physical device. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Linux Kernel up to 6.0.9 (Operating System). This affects an unknown code of the file drivers/char/xillybus/xillyusb.c of the component USB Device Remove Handler. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in the Linux kernel through 6.0.9. drivers/char/xillybus/xillyusb.c has a race condition and use-after-free during physical removal of a USB device.

The weakness was published 11/25/2022. The advisory is shared at lore.kernel.org. This vulnerability is uniquely identified as CVE-2022-45888 since 11/25/2022. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/05/2025).

The vulnerability scanner Nessus provides a plugin with the ID 211777 (Debian dsa-5818 : affs-modules-6.1.0-21-4kc-malta-di - security update), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (211777). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 6.0.0
• 6.0.1
• 6.0.2
• 6.0.3
• 6.0.4
• 6.0.5
• 6.0.6
• 6.0.7
• 6.0.8
• 6.0.9

License

• open-source

Website

• Vendor: https://www.kernel.org/

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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