CVE-2021-47211

ALSA: usb-audio: fix null pointer dereference on pointer cs_desc

published April 10, 2024

CVSS
—
EPSS
0%
Percentile
14.3
In the wild
Unconfirmed
What it is

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

ALSA: usb-audio: fix null pointer dereference on pointer cs_desc

The pointer cs_desc return from snd_usb_find_clock_source could

be null, so there is a potential null pointer dereference issue.

Fix this by adding a null check before dereference.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00241 · 14.3th percentile
Published
2024-04-10T19:01Z
EPSS history
Timeline
  • 10 APR 19:01Z
    ALSA: usb-audio: fix null pointer dereference on pointer cs_desc
    cvelistv5