Vulnerability in Kernel: media: imx-jpeg: Prevent decoding NV12M jpegs into single-planar buffers
Summary
GSD-2022-1001786: media: imx-jpeg: Prevent decoding NV12M jpegs into single-planar buffers. Affects Kernel versions < eff76b180751e5e55c872d17755680c3b83ba9ab. No fix is published. How to fix ↓
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Background
The Kernel is a critical component of the Linux operating system, responsible for managing system resources and facilitating communication between hardware and software. It provides essential functionalities such as process management, memory management, and device drivers. The media subsystem within the Kernel handles various media-related operations, including image decoding and encoding. One of the components in this subsystem is the imx-jpeg module, which is responsible for JPEG image decoding on i.MX platforms. This vulnerability specifically affects the imx-jpeg module's handling of NV12M jpegs, where it fails to prevent the decoding of these jpegs into single-planar buffers.
Vulnerability Detail
The vulnerability arises from the improper handling of NV12M jpegs by the imx-jpeg module. When attempting to decode NV12M jpegs, the module does not enforce the use of multi-planar buffers, allowing the decoding process to proceed with single-planar buffers. This can lead to memory corruption and potential security vulnerabilities. An attacker could potentially exploit this vulnerability to execute arbitrary code or trigger a denial-of-service condition. The impact and attack plausibility of this vulnerability have not been proven yet.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no specific workaround mentioned for this vulnerability.
Conclusion
The vulnerability in the Kernel's media subsystem, specifically in the imx-jpeg module, allows the decoding of NV12M jpegs into single-planar buffers. This can lead to memory corruption and potential security vulnerabilities. It is recommended to update the Linux Kernel to version v5.15.33 or a later version that includes the fix. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The impact of this vulnerability is not yet proven, but it could potentially allow an attacker to execute arbitrary code or cause a denial-of-service condition.
You can use Vulert's playground at Vulert Scanner to check if your system is affected by this vulnerability. Vulert uses a manifest file like package-lock.json to monitor and alert in real-time for open-source vulnerabilities.
There is no known exploit for this vulnerability at the moment.
The recommended mitigation is to update the Linux Kernel to version v5.15.33 or any subsequent version that includes the fix.
The discovery of this vulnerability is attributed to an automated process intended to aid in the discovery of potential security vulnerabilities.
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