What is CVE-2021-47313?

CVE-2021-47313 is a High severity Linux kernel vulnerability with a CVSS score of 8.4 out of 10, classified as a Uncontrolled Resource Consumption flaw (CWE-400). CVE-2021-47313 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2021-47313?

CVE-2021-47313 has a CVSS score of 8.4 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2021-47313?

No patch is currently available for CVE-2021-47313. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2021-47313 actively exploited?

CVE-2021-47313 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Uncontrolled Resource Consumption (CWE-400)?

The product does not properly control the amount of resources it consumes, leading to exhaustion. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/400.html

CVE-2021-47313

High

In the Linux kernel, the following vulnerability has been resolved: cpufreq: CPPC: Fix potential memleak in cppc_cpufreq_cpu_init It's a classic example of memleak, we allocate something, we fail and never free the resources. Make sure we free all resources on policy ->init() failures.

Package Linux Kernel

Published 2024-05-21

Last modified 2025-04-02

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

8.4

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-400

CVE-2021-47313 is a Uncontrolled Resource Consumption vulnerability

What is Uncontrolled Resource Consumption?

The product does not properly control the amount of resources it consumes, leading to exhaustion. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2021-47313 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/b775383355755885b19d2acef977f1ca132e80a3
Patch
Kernel patch commit
https://git.kernel.org/stable/c/e1b2b2b61d30d7ce057ec17237c217d152ed97f2
Patch
Kernel patch commit
https://git.kernel.org/stable/c/fe2535a44904a77615a3af8e8fd7dafb98fb0e1b
Patch

Details

CVE ID CVE-2021-47313

Severity High

CVSS score 8.4 / 10

CVSS version 3.1

Published 2024-05-21

Modified 2025-04-02

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2021-47313?

CVE-2021-47313 is a High severity Linux kernel vulnerability with a CVSS score of 8.4 out of 10 , classified as an Uncontrolled Resource Consumption flaw (CWE-400) . CVE-2021-47313 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2021-47313?

CVE-2021-47313 has a CVSS score of 8.4 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2021-47313?

No patch is currently available for CVE-2021-47313. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2021-47313 actively exploited?

No — CVE-2021-47313 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Uncontrolled Resource Consumption (CWE-400)?

The product does not properly control the amount of resources it consumes, leading to exhaustion. View CWE-400 on MITRE CWE →