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5.5
MEDIUM CVSS 3.1
CVE-2021-47648
NVIDIA GPU Host1x Memory Leak
Description

In the Linux kernel, the following vulnerability has been resolved: gpu: host1x: Fix a memory leak in 'host1x_remove()' Add a missing 'host1x_channel_list_free()' call in the remove function, as already done in the error handling path of the probe function.

INFO

Published Date :

Feb. 26, 2025, 6:37 a.m.

Last Modified :

March 18, 2025, 7:10 p.m.

Remotely Exploit :

No

Source :

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

The following products are affected by CVE-2021-47648 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
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
Ensure all host1x channels are freed to prevent memory leaks.
  • Update the Linux kernel to a version that includes the fix.
  • Verify that host1x_channel_list_free() is called in host1x_remove().
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-2021-47648.

URL Resource
https://git.kernel.org/stable/c/025c6643a81564f066d8381b9e2f4603e0f8438f Patch
https://git.kernel.org/stable/c/5124a344983e1b9670dae7add0e4d00d589aabcd Patch
https://git.kernel.org/stable/c/6bb107332db28a0e9256c2d36a0902b85307612c Patch
https://git.kernel.org/stable/c/c06577a80485511b894cb688e881ef0bc2d1d296 Patch
https://git.kernel.org/stable/c/fe1ce680560d4f0049ffa0c687de17567421c1ec Patch
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-47648 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-2021-47648 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-2021-47648 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2021-47648 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]

    Mar. 18, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-401
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.33 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.17 up to (excluding) 5.17.2 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 5.16.19 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.13 up to (excluding) 5.10.110
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/025c6643a81564f066d8381b9e2f4603e0f8438f Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/5124a344983e1b9670dae7add0e4d00d589aabcd Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/6bb107332db28a0e9256c2d36a0902b85307612c Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/c06577a80485511b894cb688e881ef0bc2d1d296 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/fe1ce680560d4f0049ffa0c687de17567421c1ec Types: Patch
  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Feb. 26, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: gpu: host1x: Fix a memory leak in 'host1x_remove()' Add a missing 'host1x_channel_list_free()' call in the remove function, as already done in the error handling path of the probe function.
    Added Reference https://git.kernel.org/stable/c/025c6643a81564f066d8381b9e2f4603e0f8438f
    Added Reference https://git.kernel.org/stable/c/5124a344983e1b9670dae7add0e4d00d589aabcd
    Added Reference https://git.kernel.org/stable/c/6bb107332db28a0e9256c2d36a0902b85307612c
    Added Reference https://git.kernel.org/stable/c/c06577a80485511b894cb688e881ef0bc2d1d296
    Added Reference https://git.kernel.org/stable/c/fe1ce680560d4f0049ffa0c687de17567421c1ec
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