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Related Vulnerabilities: CVE-2022-0854  

A memory leak flaw was found in the Linux kernel’s DMA subsystem, in the way a user calls DMA_FROM_DEVICE. This flaw allows a local user to read random memory from the kernel space.

Source

Description

A memory leak flaw was found in the Linux kernel’s DMA subsystem, in the way a user calls DMA_FROM_DEVICE. This flaw allows a local user to read random memory from the kernel space.

Additional Information

  • Bugzilla 2058395: CVE-2022-0854 kernel: swiotlb information leak with DMA_FROM_DEVICE
  • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
  • FAQ: Frequently asked questions about CVE-2022-0854

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