Vulnerability in Kernel: Fix setting error return on MSI DMA mapping failure
Summary
GSD-2022-1002728: PCI: dwc: Fix setting error return on MSI DMA mapping failure. Affects Kernel versions >= 07940c369a6bf940ec4a00eeb76bf51daa4f3973, < 4a9c2b82b0f6d80c5ff1e51c757e95dddb9d89e2. No fix is published. How to fix ↓
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Background
The Kernel is a critical component of the Linux operating system that provides essential functionality and acts as an interface between hardware and software. It manages system resources, facilitates communication between different software components, and ensures the stability and security of the system. The vulnerability in question affects the Kernel's PCI driver for DesignWare Cores (dwc).
Vulnerability Detail
The vulnerability arises from an error in the handling of MSI (Message Signaled Interrupts) DMA (Direct Memory Access) mapping failures in the PCI driver for DesignWare Cores. When a failure occurs, the driver fails to set the appropriate error return value, potentially leading to incorrect behavior or system instability. An attacker could potentially exploit this vulnerability to cause a denial-of-service (DoS) condition or execute arbitrary code with elevated privileges.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No specific workaround has been provided for this vulnerability.
Conclusion
The vulnerability in the Kernel's PCI driver for DesignWare Cores (dwc) could potentially lead to system instability or unauthorized code execution. It is crucial to update the Linux Kernel to version v5.18.3 or later to mitigate this vulnerability. For further assistance or support in vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability could potentially lead to incorrect behavior or system instability, allowing an attacker to cause a denial-of-service (DoS) condition or execute arbitrary code with elevated privileges.
You can use the Vulert Playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Simply upload your package-lock.json file, and Vulert will analyze it in real-time to identify any open-source vulnerabilities, including this one.
Yes, a patch has been released in Linux Kernel version v5.18.3. It is recommended to update to this version or a later one to fix the vulnerability.
There are no known instances of this vulnerability being exploited in the wild. However, it is crucial to apply the necessary updates to mitigate the risk.
You can find more information about this vulnerability in the GSD-2022-1002728 entry of the GSD Database maintained by the Cloud Security Alliance. https://github.com/cloudsecurityalliance/gsd-database/blob/main/2022/1002xxx/GSD-2022-1002728.json
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