Memory Leak Vulnerability in vfio/pci Package
Summary
GSD-2022-1001223: vfio/pci: fix memory leak during D3hot to D0 transition. Affects Kernel versions >= 51ef3a004b1eb6241e56b3aa8495769a092a4dc2, < c8a1f8bd586ee31020614b8d48b702ece3e2ae44. No fix is published. How to fix ↓
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Background
The vfio/pci package is a component of the Linux Kernel that provides support for the VFIO framework, allowing users to assign and share PCI devices with virtual machines. This package enables direct access to PCI devices from user space, facilitating efficient and secure device virtualization. However, a vulnerability has been discovered in the vfio/pci package that can lead to a memory leak during the transition from D3hot to D0 state.
Vulnerability Detail
The identified vulnerability in the vfio/pci package occurs when transitioning from the D3hot power state to the D0 power state. During this transition, a memory leak can occur, leading to the consumption of system resources and potential performance degradation. While the impact and attack plausibility of this vulnerability have not been proven, it is crucial to address it to ensure system stability and prevent resource exhaustion.
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. It is advised to apply the recommended fix by updating the Linux Kernel to the latest version.
Conclusion
The memory leak vulnerability in the vfio/pci package during the D3hot to D0 transition can be resolved by updating the Linux Kernel to version v5.17.2 or later. It is crucial to address this vulnerability to ensure system stability and prevent resource exhaustion. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The vfio/pci package is a component of the Linux Kernel that enables direct access to PCI devices from user space, facilitating efficient and secure device virtualization.
The vulnerability can result in a memory leak during the transition from D3hot to D0 state, potentially leading to resource exhaustion and performance degradation.
To fix this vulnerability, update the Linux Kernel to version v5.17.2 or later, which includes the necessary fix for the memory leak issue.
No specific workaround has been provided. It is recommended to update the Linux Kernel to the latest version.
For more details about this vulnerability, refer to the provided references link in the vulnerability details section.
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