Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

Go to Calendar     Go to Press Room     Go to Newsletters subscription

Search

CVE-2021-47009

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
28/02/2024
Last modified:
09/12/2024

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> KEYS: trusted: Fix memory leak on object td<br /> <br /> Two error return paths are neglecting to free allocated object td,<br /> causing a memory leak. Fix this by returning via the error return<br /> path that securely kfree&amp;#39;s td.<br /> <br /> Fixes clang scan-build warning:<br /> security/keys/trusted-keys/trusted_tpm1.c:496:10: warning: Potential<br /> memory leak [unix.Malloc]

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:*:*:*:*:*:*:*:* 5.10.20 (including) 5.10.38 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.11.3 (including) 5.11.22 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.12 (including) 5.12.5 (excluding)
cpe:2.3:o:linux:linux_kernel:5.12:rc1:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools