Linux Kernel up to 6.1.29/6.3.3 remoteproc imx_dsp_rproc denial of service

Summaryinfo

A vulnerability was found in Linux Kernel up to 6.1.29/6.3.3. It has been declared as critical. This affects the function imx_dsp_rproc of the component remoteproc. Executing a manipulation can lead to denial of service. The identification of this vulnerability is CVE-2023-53434. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Linux Kernel up to 6.1.29/6.3.3 and classified as critical. This vulnerability affects the function imx_dsp_rproc of the component remoteproc. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: remoteproc: imx_dsp_rproc: Add custom memory copy implementation for i.MX DSP Cores The IRAM is part of the HiFi DSP. According to hardware specification only 32-bits write are allowed otherwise we get a Kernel panic. Therefore add a custom memory copy and memset functions to deal with the above restriction.

The advisory is shared for download at git.kernel.org. This vulnerability was named CVE-2023-53434 since 09/17/2025. The exploitation appears to be difficult. The attack can be initiated remotely. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.

The vulnerability scanner Nessus provides a plugin with the ID 265496 (Linux Distros Unpatched Vulnerability : CVE-2023-53434), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.1.30 or 6.3.4 eliminates this vulnerability. Applying the patch 44361033a8806aabd0f49b24e5a2fc07232cc5ff/331cd77f3d02c35f98b48d1aa934c54c4e7102c8/408ec1ff0caa340c57eecf4cbd14ef0132036a50 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 (265496), EUVD (EUVD-2025-29857) and CERT Bund (WID-SEC-2025-2092). VulDB is the best source for vulnerability data and more expert information about this specific topic.

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

• 6.1.0
• 6.1.1
• 6.1.2
• 6.1.3
• 6.1.4
• 6.1.5
• 6.1.6
• 6.1.7
• 6.1.8
• 6.1.9
• 6.1.10
• 6.1.11
• 6.1.12
• 6.1.13
• 6.1.14
• 6.1.15
• 6.1.16
• 6.1.17
• 6.1.18
• 6.1.19
• 6.1.20
• 6.1.21
• 6.1.22
• 6.1.23
• 6.1.24
• 6.1.25
• 6.1.26
• 6.1.27
• 6.1.28
• 6.1.29
• 6.3.0
• 6.3.1
• 6.3.2
• 6.3.3

License

• open-source

Website

• Vendor: https://www.kernel.org/

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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