VDB-324923 · CVE-2023-53430 · Nessus 265499

Linux Kernel up to 6.2.2 wifi mt76_dma_tx_cleanup memory leak

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5.5	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in Linux Kernel up to 6.2.2. Impacted is the function mt76_dma_tx_cleanup of the component wifi. The manipulation leads to memory leak. This vulnerability is listed as CVE-2023-53430. There is no available exploit. It is suggested 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 mt76_dma_tx_cleanup of the component wifi. The manipulation with an unknown input leads to a memory leak vulnerability. 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. Impacted is availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: dma: fix memory leak running mt76_dma_tx_cleanup Fix device unregister memory leak and alway cleanup all configured rx queues in mt76_dma_tx_cleanup routine.

It is possible to read the advisory at git.kernel.org. The identification of this vulnerability is CVE-2023-53430 since 09/17/2025. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 265499 (Linux Distros Unpatched Vulnerability : CVE-2023-53430), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.2.3 eliminates this vulnerability. Applying the patch 604990fee0a6d608a6cca179ae474f2a1c6add8a/3f7dda36e0b6dfa2cd26191f754ba061ab8191f2 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 databases at Tenable (265499) and CERT Bund (WID-SEC-2025-2092). 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
SUSE openSUSE
RESF Rocky Linux
Open Source Linux Kernel
Dell Secure Connect Gateway
IBM QRadar SIEM

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: 5.6
VulDB Meta Temp Score: 5.5

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

NVD Base Score: 5.5
NVD Vector: 🔒

CVSSv2info

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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: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 265499
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2023-53430

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 6.2.3
Patch: 604990fee0a6d608a6cca179ae474f2a1c6add8a/3f7dda36e0b6dfa2cd26191f754ba061ab8191f2

Timelineinfo

09/17/2025 CVE reserved
09/18/2025 +1 days Advisory disclosed
09/18/2025 +0 days VulDB entry created
12/12/2025 +85 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2023-53430 (🔒)
GCVE (CVE): GCVE-0-2023-53430
GCVE (VulDB): GCVE-100-324923
CERT Bund: WID-SEC-2025-2092 - Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service

Entryinfo

Created: 09/18/2025 19:22
Updated: 12/12/2025 01:00
Changes: 09/18/2025 19:22 (59), 09/20/2025 19:24 (7), 09/22/2025 14:48 (2), 11/29/2025 18:41 (1), 12/12/2025 01:00 (10)
Complete: 🔍
Cache ID: 216::103

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