What is CVE-2021-47053?

CVE-2021-47053 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-2021-47053 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2021-47053?

CVE-2021-47053 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-2021-47053?

No patch is currently available for CVE-2021-47053. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2021-47053 actively exploited?

CVE-2021-47053 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-2021-47053

Medium

In the Linux kernel, the following vulnerability has been resolved: crypto: sun8i-ss - Fix memory leak of pad It appears there are several failure return paths that don't seem to be free'ing pad. Fix these. Addresses-Coverity: ("Resource leak")

Package Linux Kernel

Published 2024-02-28

Last modified 2024-12-09

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-2021-47053 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-2021-47053 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/2c67a9333da9d0a3b87310e0d116b7c9070c7b00
Patch
Kernel patch commit
https://git.kernel.org/stable/c/50274b01ac1689b1a3f6bc4b5b3dbf361a55dd3a
Patch
Kernel patch commit
https://git.kernel.org/stable/c/c633e025bd04f54d7b33331cfcdb71354b08ce59
Patch

4 patch commits total View all on NVD

Details

CVE ID CVE-2021-47053

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-02-28

Modified 2024-12-09

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2021-47053?

CVE-2021-47053 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-2021-47053 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2021-47053?

CVE-2021-47053 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-2021-47053?

No patch is currently available for CVE-2021-47053. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2021-47053 actively exploited?

No — CVE-2021-47053 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 →