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CVE-2022-50667
drm/vmwgfx: Fix memory leak in vmw_mksstat_add_ioctl()
Description

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Fix memory leak in vmw_mksstat_add_ioctl() If the copy of the description string from userspace fails, then the page for the instance descriptor doesn't get freed before returning -EFAULT, which leads to a memleak.

INFO

Published Date :

Dec. 9, 2025, 4:17 p.m.

Last Modified :

Dec. 9, 2025, 6:37 p.m.

Remotely Exploit :

No

Source :

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

The following products are affected by CVE-2022-50667 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
Solution
Fix memory leak in vmw_mksstat_add_ioctl by freeing allocated pages on user-space copy failure.
  • Apply the patch to fix the memory leak.
  • Ensure pages are freed on error paths.
  • Test the fix in the affected environment.
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-2022-50667.

URL Resource
https://git.kernel.org/stable/c/53066b144715332ce9370143c33c50d9a4d3e809
https://git.kernel.org/stable/c/6ad40bbb2c25f17b899fcea114ebc0a46d8a938b
https://git.kernel.org/stable/c/a40c7f61d12fbd1e785e59140b9efd57127c0c33
https://git.kernel.org/stable/c/b47a37ad4a444d82f9caf153a79d090b79786ebb
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-50667 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-2022-50667 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-2022-50667 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-2022-50667 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.

  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Dec. 09, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Fix memory leak in vmw_mksstat_add_ioctl() If the copy of the description string from userspace fails, then the page for the instance descriptor doesn't get freed before returning -EFAULT, which leads to a memleak.
    Added Reference https://git.kernel.org/stable/c/53066b144715332ce9370143c33c50d9a4d3e809
    Added Reference https://git.kernel.org/stable/c/6ad40bbb2c25f17b899fcea114ebc0a46d8a938b
    Added Reference https://git.kernel.org/stable/c/a40c7f61d12fbd1e785e59140b9efd57127c0c33
    Added Reference https://git.kernel.org/stable/c/b47a37ad4a444d82f9caf153a79d090b79786ebb
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
No CVSS metrics available for this vulnerability.