Riskcovery

CVE-2022-48904

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

State
Published
Severity
Not scored
Published
Aug 22, 2024
Updated
May 11, 2026
Reserved
Aug 21, 2024

Read the record on cve.org

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • e42ba0633064ef23eb1c8c21edf96bac1541bd4b to before 378e2fe1eb58d5c2ed55c8fe5e11f9db5033cdd6Affected
  • e42ba0633064ef23eb1c8c21edf96bac1541bd4b to before c78627f757e37c2cf386b59c700c4e1574988597Affected
  • e42ba0633064ef23eb1c8c21edf96bac1541bd4b to before 6b0b2d9a6a308bcd9300c2d83000a82812c56ceaAffected
LinuxLinux
  • 5.12Affected
  • before 5.12Not affected
  • 5.15.27 through 5.15.*Not affected
  • 5.16.13 through 5.16.*Not affected
  • 5.17 and laterNot affected

References

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