Bug 2395393 (CVE-2022-50247) - CVE-2022-50247 kernel: usb: xhci-mtk: fix leakage of shared hcd when fail to set wakeup irq
Summary: CVE-2022-50247 kernel: usb: xhci-mtk: fix leakage of shared hcd when fail to ...
Keywords:
Status: NEW
Alias: CVE-2022-50247
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
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Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-09-15 15:11 UTC by OSIDB Bzimport
Modified: 2025-09-15 18:23 UTC (History)
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Description OSIDB Bzimport 2025-09-15 15:11:21 UTC 
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.
Comment 1 Jon Moroney 2025-09-15 18:17:55 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025091549-CVE-2022-50247-1ab7@gregkh/T
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