5.5
MEDIUM CVSS 3.1
CVE-2021-47150
Linux Kernel Fec Memory Leak Vulnerability
Description

In the Linux kernel, the following vulnerability has been resolved: net: fec: fix the potential memory leak in fec_enet_init() If the memory allocated for cbd_base is failed, it should free the memory allocated for the queues, otherwise it causes memory leak. And if the memory allocated for the queues is failed, it can return error directly.

INFO

Published Date :

March 25, 2024, 9:15 a.m.

Last Modified :

Dec. 12, 2024, 3:41 p.m.

Remotely Exploit :

No

Source :

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

The following products are affected by CVE-2021-47150 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
This vulnerability can be remediated by updating the affected Linux kernel packages and rebooting.
  • Update the Linux kernel package.
  • 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-2021-47150 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-2021-47150 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-2021-47150 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-47150 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]

    Dec. 12, 2024

    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) 3.18 up to (excluding) 4.19.193 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.124 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.42 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.12.9 *cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.13:rc3:*:*:*:*:*:*
    Changed Reference Type https://git.kernel.org/stable/c/15102886bc8f5f29daaadf2d925591d564c17e9f No Types Assigned https://git.kernel.org/stable/c/15102886bc8f5f29daaadf2d925591d564c17e9f Patch
    Changed Reference Type https://git.kernel.org/stable/c/15102886bc8f5f29daaadf2d925591d564c17e9f No Types Assigned https://git.kernel.org/stable/c/15102886bc8f5f29daaadf2d925591d564c17e9f Patch
    Changed Reference Type https://git.kernel.org/stable/c/20255d41ac560397b6a07d8d87dcc5e2efc7672a No Types Assigned https://git.kernel.org/stable/c/20255d41ac560397b6a07d8d87dcc5e2efc7672a Patch
    Changed Reference Type https://git.kernel.org/stable/c/20255d41ac560397b6a07d8d87dcc5e2efc7672a No Types Assigned https://git.kernel.org/stable/c/20255d41ac560397b6a07d8d87dcc5e2efc7672a Patch
    Changed Reference Type https://git.kernel.org/stable/c/32a1777fd113335c3f70dc445dffee0ad1c6870f No Types Assigned https://git.kernel.org/stable/c/32a1777fd113335c3f70dc445dffee0ad1c6870f Patch
    Changed Reference Type https://git.kernel.org/stable/c/32a1777fd113335c3f70dc445dffee0ad1c6870f No Types Assigned https://git.kernel.org/stable/c/32a1777fd113335c3f70dc445dffee0ad1c6870f Patch
    Changed Reference Type https://git.kernel.org/stable/c/619fee9eb13b5d29e4267cb394645608088c28a8 No Types Assigned https://git.kernel.org/stable/c/619fee9eb13b5d29e4267cb394645608088c28a8 Patch
    Changed Reference Type https://git.kernel.org/stable/c/619fee9eb13b5d29e4267cb394645608088c28a8 No Types Assigned https://git.kernel.org/stable/c/619fee9eb13b5d29e4267cb394645608088c28a8 Patch
    Changed Reference Type https://git.kernel.org/stable/c/8ee7ef4a57a9e1228b6f345aaa70aa8951c7e9cd No Types Assigned https://git.kernel.org/stable/c/8ee7ef4a57a9e1228b6f345aaa70aa8951c7e9cd Patch
    Changed Reference Type https://git.kernel.org/stable/c/8ee7ef4a57a9e1228b6f345aaa70aa8951c7e9cd No Types Assigned https://git.kernel.org/stable/c/8ee7ef4a57a9e1228b6f345aaa70aa8951c7e9cd 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/15102886bc8f5f29daaadf2d925591d564c17e9f
    Added Reference https://git.kernel.org/stable/c/20255d41ac560397b6a07d8d87dcc5e2efc7672a
    Added Reference https://git.kernel.org/stable/c/32a1777fd113335c3f70dc445dffee0ad1c6870f
    Added Reference https://git.kernel.org/stable/c/619fee9eb13b5d29e4267cb394645608088c28a8
    Added Reference https://git.kernel.org/stable/c/8ee7ef4a57a9e1228b6f345aaa70aa8951c7e9cd
  • 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. 25, 2024

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: net: fec: fix the potential memory leak in fec_enet_init() If the memory allocated for cbd_base is failed, it should free the memory allocated for the queues, otherwise it causes memory leak. And if the memory allocated for the queues is failed, it can return error directly.
    Added Reference kernel.org https://git.kernel.org/stable/c/15102886bc8f5f29daaadf2d925591d564c17e9f [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/20255d41ac560397b6a07d8d87dcc5e2efc7672a [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/8ee7ef4a57a9e1228b6f345aaa70aa8951c7e9cd [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/32a1777fd113335c3f70dc445dffee0ad1c6870f [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/619fee9eb13b5d29e4267cb394645608088c28a8 [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