CVE-2021-47332

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

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

ALSA: usx2y: Don't call free_pages_exact() with NULL address

Unlike some other functions, we can't pass NULL pointer to free_pages_exact(). Add a proper NULL check for avoiding possible Oops.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

VendorProductVersions
LinuxLinux>= 36b8defc447627c3e91058c43941ec15d827556e, < 88262229b778f4f7a896da828d966f94dcb35d19; >= 36b8defc447627c3e91058c43941ec15d827556e, < 7d7f30cf182e55023fa8fde4c084b2d37c6be69d; >= 36b8defc447627c3e91058c43941ec15d827556e, < bee295f5e03510252d18b25cc1d26230256eb87a; >= 36b8defc447627c3e91058c43941ec15d827556e, < 82e5ee742fdd8874fe996181b87fafe1eb5f1196; >= 36b8defc447627c3e91058c43941ec15d827556e, < cae0cf651adccee2c3f376e78f30fbd788d0829f
LinuxLinux5.2

References

Timeline

Published
May 21, 2024
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2021-47332: Medium severity, CVSS 5.5 | Vulnix