CVE-2021-47070

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

01/03/2024

Last modified:

19/03/2025

Description

In the Linux kernel, the following vulnerability has been resolved: uio_hv_generic: Fix another memory leak in error handling paths Memory allocated by &#39;vmbus_alloc_ring()&#39; at the beginning of the probe function is never freed in the error handling path. Add the missing &#39;vmbus_free_ring()&#39; call. Note that it is already freed in the .remove function.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

Base Score 3.x

5.50

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	4.20 (including)	5.12.7 (excluding)
cpe:2.3:o:linux:linux_kernel:5.13:rc1::::::
cpe:2.3:o:linux:linux_kernel:5.13:rc2::::::

To consult the complete list of CPE names with products and versions, see this page

CVE-2021-47070

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools