Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2021-47070

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
01/03/2024
Last modified:
03/11/2025

Description

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


References to Advisories, Solutions, and Tools