Bug 2327193 (CVE-2024-50267)

Summary: CVE-2024-50267 kernel: USB: serial: io_edgeport: fix use after free in debug printk
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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Priority: medium    
Version: unspecifiedCC: dfreiber, drow, jburrell, vkumar
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Hardware: All   
OS: Linux   
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2327253    
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Description OSIDB Bzimport 2024-11-19 02:03:02 UTC 
In the Linux kernel, the following vulnerability has been resolved:

USB: serial: io_edgeport: fix use after free in debug printk

The "dev_dbg(&urb->dev->dev, ..." which happens after usb_free_urb(urb)
is a use after free of the "urb" pointer.  Store the "dev" pointer at the
start of the function to avoid this issue.
Comment 1 Avinash Hanwate 2024-11-19 06:18:28 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024111924-CVE-2024-50267-2d0d@gregkh/T