AUGUST 4, 2026
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Case File

CVE-2021-47211

MEDIUM · CVSS 5.5 EPSS 0.24%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2024-04-10 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.5. It affects Linux.

CVE
CVE-2021-47211
Severity
MEDIUM
CVSS
5.5
EPSS
0.24%
Linux

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)