What’s Vulnerable › Vulnerabilities

CVE-2022-50162: wifi: libertas: Fix possible refcount leak in if_usb_probe()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-06-18 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: libertas: Fix possible refcount leak in if_usb_probe() usb_get_dev will be called before lbs_get_firmware_async which means that usb_put_dev need to be called when lbs_get_firmware_async fails.

Affected products

• Linux kernel: from 3.5 before 4.14.291; from 4.15 before 4.19.256; from 4.20 before 5.4.211; from 5.5 before 5.10.137; from 5.11 before 5.15.61; from 5.16 before 5.18.18 — fixed in 4.14.291, 4.19.256, 5.10.137, 5.15.61, 5.18.18, 5.19.2

How to fix

Upgrade to a fixed version: Linux kernel 4.14.291, 4.19.256, 5.10.137, 5.15.61. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/00d0c4e59c0f8ad1f86874bb64b220394e687028
• https://git.kernel.org/stable/c/4c8e2f9ce1428e44cb103035eeced7aeb6b80980
• https://git.kernel.org/stable/c/5b92f406a5199b6b01dc664b9226d824ae2835f0
• https://git.kernel.org/stable/c/61b2ec97487399c58ae2e34f250f4884e671799b
• https://git.kernel.org/stable/c/6fd57e1d120bf13d4dc6c200a7cf914e6347a316
• https://git.kernel.org/stable/c/878e7f39803a9ab5bb9766956a7a04351d4bf99d
• https://git.kernel.org/stable/c/97e5d3e46a3a2100253a9717a4df98d68aeb10b8
• https://git.kernel.org/stable/c/d7365590d15bbd9008f424ef043d1778ffe29f42

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