What’s Vulnerable › Vulnerabilities

CVE-2022-50247: usb: xhci-mtk: fix leakage of shared hcd when fail to set wakeup irq

• 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: 2025-09-15 · updated 2026-06-17
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: usb: xhci-mtk: fix leakage of shared hcd when fail to set wakeup irq Can not set the @shared_hcd to NULL before decrease the usage count by usb_put_hcd(), this will cause the shared hcd not released.

Affected products

• Linux kernel: from 5.13 before 5.15.86; from 5.16 before 6.0.16; from 6.1 before 6.1.2 — fixed in 5.15.86, 6.0.16, 6.1.2

How to fix

Upgrade to a fixed version: Linux kernel 5.15.86, 6.0.16, 6.1.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/03a88b0bafbe3f548729d970d8366f48718c9b19
• https://git.kernel.org/stable/c/05680a91ae60ddd0319e6618456f0883b5dd765d
• https://git.kernel.org/stable/c/c8e7463844888dc8344bbb9cbad88cdce9cb8077
• https://git.kernel.org/stable/c/ffb14aac2658873050671198543b9b8194149c14

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