Linux Kernel up to 5.15.74/5.19.16/6.0.2 vmw_mksstat_add_ioctl memory leak

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k1.05

Summaryinfo

A vulnerability was found in Linux Kernel up to 5.15.74/5.19.16/6.0.2. It has been classified as critical. Affected is the function vmw_mksstat_add_ioctl. This manipulation causes memory leak. This vulnerability is tracked as CVE-2022-50667. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in Linux Kernel up to 5.15.74/5.19.16/6.0.2. Affected by this vulnerability is the function vmw_mksstat_add_ioctl. The manipulation with an unknown input leads to a memory leak vulnerability. The CWE definition for the vulnerability is CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. As an impact it is known to affect availability. The summary by CVE is:

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.

It is possible to read the advisory at git.kernel.org. This vulnerability is known as CVE-2022-50667 since 12/09/2025. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 5.15.75, 5.19.17 or 6.0.3 eliminates this vulnerability. Applying the patch b47a37ad4a444d82f9caf153a79d090b79786ebb/6ad40bbb2c25f17b899fcea114ebc0a46d8a938b/53066b144715332ce9370143c33c50d9a4d3e809/a40c7f61d12fbd1e785e59140b9efd57127c0c33 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2025-2765). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • SUSE openSUSE
  • Open Source Linux Kernel
  • RESF Rocky Linux

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory leak
CWE: CWE-401 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 5.15.75/5.19.17/6.0.3
Patch: b47a37ad4a444d82f9caf153a79d090b79786ebb/6ad40bbb2c25f17b899fcea114ebc0a46d8a938b/53066b144715332ce9370143c33c50d9a4d3e809/a40c7f61d12fbd1e785e59140b9efd57127c0c33

Timelineinfo

12/09/2025 Advisory disclosed
12/09/2025 +0 days CVE reserved
12/09/2025 +0 days VulDB entry created
03/29/2026 +110 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-50667 (🔒)
GCVE (CVE): GCVE-0-2022-50667
GCVE (VulDB): GCVE-100-334927
CERT Bund: WID-SEC-2025-2765 - Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service

Entryinfo

Created: 12/09/2025 07:49
Updated: 03/29/2026 05:59
Changes: 12/09/2025 07:49 (58), 03/29/2026 05:59 (7)
Complete: 🔍
Cache ID: 216:F1C:103

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