Linux Kernel: Use after free bug in debug printk fixed in io_edgeport module

CVE-2024-50267
7.8HIGH

Key Information

Vendor
Linux
Status
Linux Kernel
Vendor
CVE Published:
19 November 2024

Summary

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.

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published.

Collectors

NVD Database
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