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CVE PROGRAM SOURCE RECORDUnscored

CVE-2022-48904

iommu/amd: Fix I/O page table memory leak

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Fix I/O page table memory leak The current logic updates the I/O page table mode for the domain before calling the logic to free memory used for the page table. This results in IOMMU page table memory leak, and can be observed when launching VM w/ pass-through devices. Fix by freeing the memory used for page table before updating the mode.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • e42ba0633064ef23eb1c8c21edf96bac1541bd4b to < 378e2fe1eb58d5c2ed55c8fe5e11f9db5033cdd6affected
  • e42ba0633064ef23eb1c8c21edf96bac1541bd4b to < c78627f757e37c2cf386b59c700c4e1574988597affected
  • e42ba0633064ef23eb1c8c21edf96bac1541bd4b to < 6b0b2d9a6a308bcd9300c2d83000a82812c56ceaaffected

Linux Linux

Default version status: affected

  • 5.12affected
  • 0 to < 5.12unaffected
  • 5.15.27 to ≤ 5.15.*unaffected
  • 5.16.13 to ≤ 5.16.*unaffected
  • 5.17 to ≤ *unaffected

References