CVE-2024-50267

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

High · published November 19, 2024

CVSS v3.1
7.8
EPSS
0%
Percentile
19.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00284 · 19.9th percentile
Published
2024-11-19T01:30Z
EPSS history
Timeline
  • 19 NOV 01:30Z
    USB: serial: io_edgeport: fix use after free in debug printk
    cvelistv5