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CVE-2022-48904
iommu/amd: Fix I/O page table memory leak
Medium5.5EPSS 0.21%
- Published
- Updated
- Reserved
- Assigned by
- 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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Analyzed | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.21% · top 89% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
- affected e42ba0633064ef23eb1c8c21edf96bac1541bd4b – < 378e2fe1eb58d5c2ed55c8fe5e11f9db5033cdd6
- affected e42ba0633064ef23eb1c8c21edf96bac1541bd4b – < c78627f757e37c2cf386b59c700c4e1574988597
- affected e42ba0633064ef23eb1c8c21edf96bac1541bd4b – < 6b0b2d9a6a308bcd9300c2d83000a82812c56cea
- affected 5.12
- unaffected < 5.12
- unaffected 5.15.27 – ≤ 5.15.*
- unaffected 5.16.13 – ≤ 5.16.*
- unaffected 5.17 – ≤ *
References (3)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-48904)Record last updated .