5.5
MEDIUM CVSS 3.1
CVE-2021-47093
Intel Intel PMCore Memory Leak
Description

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).

INFO

Published Date :

March 4, 2024, 6:15 p.m.

Last Modified :

Jan. 14, 2025, 3:39 p.m.

Remotely Exploit :

No

Source :

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

The following products are affected by CVE-2021-47093 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
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM [email protected]
Solution
Update the affected Linux packages to address the Intel PMCore memory leak vulnerability.
  • Update the affected Linux packages.
  • Reboot the system after the update.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-47093 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-2021-47093 weaknesses.

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-2021-47093 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-47093 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.

  • Initial Analysis by [email protected]

    Jan. 14, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Added CWE NIST CWE-401
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.9 up to (excluding) 5.10.89 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.12 *cpe:2.3:o:linux:linux_kernel:5.16:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.16:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.16:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.16:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.16:rc5:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.16:rc6:*:*:*:*:*:*
    Changed Reference Type https://git.kernel.org/stable/c/26a8b09437804fabfb1db080d676b96c0de68e7c No Types Assigned https://git.kernel.org/stable/c/26a8b09437804fabfb1db080d676b96c0de68e7c Patch
    Changed Reference Type https://git.kernel.org/stable/c/26a8b09437804fabfb1db080d676b96c0de68e7c No Types Assigned https://git.kernel.org/stable/c/26a8b09437804fabfb1db080d676b96c0de68e7c Patch
    Changed Reference Type https://git.kernel.org/stable/c/7a37f2e370699e2feca3dca6c8178c71ceee7e8a No Types Assigned https://git.kernel.org/stable/c/7a37f2e370699e2feca3dca6c8178c71ceee7e8a Patch
    Changed Reference Type https://git.kernel.org/stable/c/7a37f2e370699e2feca3dca6c8178c71ceee7e8a No Types Assigned https://git.kernel.org/stable/c/7a37f2e370699e2feca3dca6c8178c71ceee7e8a Patch
    Changed Reference Type https://git.kernel.org/stable/c/9ca1324755f1f8629a370af5cc315b175331f5d1 No Types Assigned https://git.kernel.org/stable/c/9ca1324755f1f8629a370af5cc315b175331f5d1 Patch
    Changed Reference Type https://git.kernel.org/stable/c/9ca1324755f1f8629a370af5cc315b175331f5d1 No Types Assigned https://git.kernel.org/stable/c/9ca1324755f1f8629a370af5cc315b175331f5d1 Patch
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://git.kernel.org/stable/c/26a8b09437804fabfb1db080d676b96c0de68e7c
    Added Reference https://git.kernel.org/stable/c/7a37f2e370699e2feca3dca6c8178c71ceee7e8a
    Added Reference https://git.kernel.org/stable/c/9ca1324755f1f8629a370af5cc315b175331f5d1
  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 28, 2024

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

    May. 14, 2024

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

    Mar. 04, 2024

    Action Type Old Value New Value
    Added Description 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).
    Added Reference Linux https://git.kernel.org/stable/c/7a37f2e370699e2feca3dca6c8178c71ceee7e8a [No types assigned]
    Added Reference Linux https://git.kernel.org/stable/c/9ca1324755f1f8629a370af5cc315b175331f5d1 [No types assigned]
    Added Reference Linux https://git.kernel.org/stable/c/26a8b09437804fabfb1db080d676b96c0de68e7c [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.
Vulnerability Scoring Details
Base CVSS Score: 5.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact