What is CVE-2021-47093?

CVE-2021-47093 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a Memory Leak flaw (CWE-401). CVE-2021-47093 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2021-47093?

CVE-2021-47093 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2021-47093?

No patch is currently available for CVE-2021-47093. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2021-47093 actively exploited?

CVE-2021-47093 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Memory Leak (CWE-401)?

The product does not release memory after use, causing gradual resource exhaustion. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/401.html

CVE-2021-47093

Medium

In the Linux kernel, the following vulnerability has been resolved: platform/x86: intel_pmc_core: fix memleak on registration failure In case device registration fails during module initialisation, the platform device structure needs to be freed using platform_device_put() to properly free all resources (e.g. the device name).

Package Linux Kernel

Published 2024-03-04

Last modified 2025-01-14

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-401

CVE-2021-47093 is a Memory Leak vulnerability

What is Memory Leak?

The product does not release memory after use, causing gradual resource exhaustion. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2021-47093 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/26a8b09437804fabfb1db080d676b96c0de68e7c
Patch
Kernel patch commit
https://git.kernel.org/stable/c/7a37f2e370699e2feca3dca6c8178c71ceee7e8a
Patch
Kernel patch commit
https://git.kernel.org/stable/c/9ca1324755f1f8629a370af5cc315b175331f5d1
Patch

Details

CVE ID CVE-2021-47093

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-03-04

Modified 2025-01-14

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2021-47093?

CVE-2021-47093 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a Memory Leak flaw (CWE-401) . CVE-2021-47093 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2021-47093?

CVE-2021-47093 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2021-47093?

No patch is currently available for CVE-2021-47093. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2021-47093 actively exploited?

No — CVE-2021-47093 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Memory Leak (CWE-401)?

The product does not release memory after use, causing gradual resource exhaustion. View CWE-401 on MITRE CWE →