VULNERABILITY INTELLIGENCE
CVE-2021-47211
CVSS score5.5 MEDIUM
EPSS probability0.24%
CISA KEVNot currently listed
Published2024-04-10
Last modified2026-06-19
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Description
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.
Weakness classification
- nvd@nist.gov: CWE-476