What’s Vulnerable › Vulnerabilities

CVE-2022-49310: char: xillybus: fix a refcount leak in cleanup_dev()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-02-26 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: char: xillybus: fix a refcount leak in cleanup_dev() usb_get_dev is called in xillyusb_probe. So it is better to call usb_put_dev before xdev is released.

Affected products

• Linux kernel: from 5.14 before 5.15.47; from 5.16 before 5.17.15; from 5.18 before 5.18.4 — fixed in 5.15.47, 5.17.15, 5.18.4

How to fix

Upgrade to a fixed version: Linux kernel 5.15.47, 5.17.15, 5.18.4. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/21f1f167d727f3f857e26d509ef5a6d47fd31bc3
• https://git.kernel.org/stable/c/b67d19662fdee275c479d21853bc1239600a798f
• https://git.kernel.org/stable/c/bc8fceda3b89006e8a7dda8a097d36045d044c25
• https://git.kernel.org/stable/c/e277b95acdab84cd5d2f8d537a37aef6d21e988b

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