Bug 2327193 (CVE-2024-50267) - CVE-2024-50267 kernel: USB: serial: io_edgeport: fix use after free in debug printk
Summary: CVE-2024-50267 kernel: USB: serial: io_edgeport: fix use after free in debug ...
Keywords:
Status: NEW
Alias: CVE-2024-50267
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2327253
Blocks:
TreeView+ depends on / blocked
 
Reported: 2024-11-19 02:03 UTC by OSIDB Bzimport
Modified: 2024-12-18 04:17 UTC (History)
4 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

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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
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