8.4
HIGH
CVE-2021-47313
Linux cpufreq: Memleak Vulnerability
Description

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.

INFO

Published Date :

May 21, 2024, 3:15 p.m.

Last Modified :

July 3, 2024, 1:37 a.m.

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

2.5
Affected Products

The following products are affected by CVE-2021-47313 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
: Total Affected Vendor : 1 | Products : 1
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-47313.

URL Resource
https://git.kernel.org/stable/c/b775383355755885b19d2acef977f1ca132e80a3
https://git.kernel.org/stable/c/e1b2b2b61d30d7ce057ec17237c217d152ed97f2
https://git.kernel.org/stable/c/fe2535a44904a77615a3af8e8fd7dafb98fb0e1b

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-47313 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-47313 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jul. 03, 2024

    Action Type Old Value New Value
    Added CWE CISA-ADP CWE-400
    Added CVSS V3.1 CISA-ADP AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 28, 2024

    Action Type Old Value New Value
  • CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 21, 2024

    Action Type Old Value New Value
    Added Description 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.
    Added Reference kernel.org https://git.kernel.org/stable/c/b775383355755885b19d2acef977f1ca132e80a3 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/e1b2b2b61d30d7ce057ec17237c217d152ed97f2 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/fe2535a44904a77615a3af8e8fd7dafb98fb0e1b [No types assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-47313 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-47313 weaknesses.

CVSS31 - Vulnerability Scoring System
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