Ubuntu.comUB:CVE-2022-48904CVE-2022-48904
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.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 20.04 | noarch | linux-intel-iotg-5.15 | < 5.15.0-1008.11~20.04.1 | UNKNOWN |
References
git.kernel.org/linus/6b0b2d9a6a308bcd9300c2d83000a82812c56cea (5.17-rc7)
git.kernel.org/stable/c/378e2fe1eb58d5c2ed55c8fe5e11f9db5033cdd6
git.kernel.org/stable/c/6b0b2d9a6a308bcd9300c2d83000a82812c56cea
git.kernel.org/stable/c/c78627f757e37c2cf386b59c700c4e1574988597
launchpad.net/bugs/cve/CVE-2022-48904
nvd.nist.gov/vuln/detail/CVE-2022-48904
security-tracker.debian.org/tracker/CVE-2022-48904
www.cve.org/CVERecord?id=CVE-2022-48904
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