VDB-326507 · CVE-2022-50424 · WID-SEC-2025-2187

Linux Kernel up to 6.2.2 wifi mt7921_check_offload_capability memory leak

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.4	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in Linux Kernel up to 6.2.2. Impacted is the function mt7921_check_offload_capability of the component wifi. The manipulation leads to an unknown weakness. This vulnerability is uniquely identified as CVE-2022-50424. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.2.2 and classified as critical. This issue affects the function mt7921_check_offload_capability of the component wifi. Using CWE to declare the problem leads to CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. The impact remains unknown. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921: resource leaks at mt7921_check_offload_capability() Fixed coverity issue with resource leaks at variable "fw" going out of scope leaks the storage it points to mt7921_check_offload_capability(). Addresses-Coverity-ID: 1527806 ("Resource leaks")

It is possible to read the advisory at git.kernel.org. The identification of this vulnerability is CVE-2022-50424 since 09/17/2025. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 6.2.3 eliminates this vulnerability. Applying the patch ead3cffd7510dc635d84cd4ea9dd1974fcb69a35/47180ecf4541146836c5307c1d5526f8ac6a5a6d 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-2025-2187). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

Amazon Linux 2
Red Hat Enterprise Linux
SUSE Linux
Oracle Linux
Open Source Linux Kernel
Dell Secure Connect Gateway

Productinfo

Type

Operating System

Vendor

Linux

Name

Kernel

Version

License

open-source

Website

Vendor: https://www.kernel.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔒

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 6.2.3
Patch: ead3cffd7510dc635d84cd4ea9dd1974fcb69a35/47180ecf4541146836c5307c1d5526f8ac6a5a6d

Timelineinfo

09/17/2025 CVE reserved
10/01/2025 +14 days Advisory disclosed
10/01/2025 +0 days VulDB entry created
12/12/2025 +72 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-50424 (🔒)
GCVE (CVE): GCVE-0-2022-50424
GCVE (VulDB): GCVE-100-326507
CERT Bund: WID-SEC-2025-2187 - Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service

Entryinfo

Created: 10/01/2025 14:19
Updated: 12/12/2025 04:41
Changes: 10/01/2025 14:19 (58), 10/02/2025 11:58 (7), 10/24/2025 11:01 (1), 11/19/2025 16:36 (2), 12/12/2025 04:41 (12)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.