CVE-2022-49385

driver: base: fix UAF when driver_attach failed

High · published February 26, 2025

CVSS v3.1
7.8
EPSS
0%
Percentile
21.1
In the wild
Unconfirmed
What it is

In the Linux kernel, the following vulnerability has been resolved:

driver: base: fix UAF when driver_attach failed

When driver_attach(drv); failed, the driver_private will be freed.

But it has been added to the bus, which caused a UAF.

To fix it, we need to delete it from the bus when failed.

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
0.00297 · 21.1th percentile
Published
2025-02-26T02:11Z
EPSS history
Timeline
  • 26 FEB 02:11Z
    driver: base: fix UAF when driver_attach failed
    cvelistv5