Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2021-47071

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
01/03/2024
Last modified:
12/12/2024

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> uio_hv_generic: Fix a memory leak in error handling paths<br /> <br /> If &amp;#39;vmbus_establish_gpadl()&amp;#39; fails, the (recv|send)_gpadl will not be<br /> updated and &amp;#39;hv_uio_cleanup()&amp;#39; in the error handling path will not be<br /> able to free the corresponding buffer.<br /> <br /> In such a case, we need to free the buffer explicitly.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H 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:N/I:N/A:H

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

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) 5.4.122 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.5 (including) 5.10.40 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.11 (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