CVE-2022-50247: linux kernel — Fix

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.

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CVSS v3.1 Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-401 CWE-401

Affected Products

Vendor	Product	Versions
linux	linux_kernel	5.13 — 5.15.86
linux	linux_kernel	5.16 — 6.0.16
linux	linux_kernel	6.1 — 6.1.2

References

Advisories & Patches

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

Frequently Asked Questions

What is CVE-2022-50247? +

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. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-50247? +

CVE-2022-50247 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2022-50247? +

CVE-2022-50247 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2022-50247? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2022-50247