Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.12, < 5.15.27 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/378e2fe1eb58d5c2ed55c8fe5e11f9db5033cdd6Patch
- https://git.kernel.org/stable/c/6b0b2d9a6a308bcd9300c2d83000a82812c56ceaPatch
- https://git.kernel.org/stable/c/c78627f757e37c2cf386b59c700c4e1574988597Patch
FAQ
What is CVE-2022-48904?
CVE-2022-48904 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 logi...
How severe is CVE-2022-48904?
CVE-2022-48904 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-48904?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.