{"id":"CVE-2022-48904","state":"PUBLISHED","title":"iommu/amd: Fix I/O page table memory leak","description":"In the Linux kernel, the following vulnerability has been resolved:\n\niommu/amd: Fix I/O page table memory leak\n\nThe current logic updates the I/O page table mode for the domain\nbefore calling the logic to free memory used for the page table.\nThis results in IOMMU page table memory leak, and can be observed\nwhen launching VM w/ pass-through devices.\n\nFix by freeing the memory used for page table before updating the mode.","publishedAt":"2024-08-22T01:30:28.907Z","updatedAt":"2026-05-11T18:49:24.858Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e42ba0633064ef23eb1c8c21edf96bac1541bd4b","status":"affected","lessThan":"378e2fe1eb58d5c2ed55c8fe5e11f9db5033cdd6","versionType":"git"},{"version":"e42ba0633064ef23eb1c8c21edf96bac1541bd4b","status":"affected","lessThan":"c78627f757e37c2cf386b59c700c4e1574988597","versionType":"git"},{"version":"e42ba0633064ef23eb1c8c21edf96bac1541bd4b","status":"affected","lessThan":"6b0b2d9a6a308bcd9300c2d83000a82812c56cea","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/amd/io_pgtable.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.12","versionType":"semver"},{"version":"5.15.27","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.16.13","status":"unaffected","lessThanOrEqual":"5.16.*","versionType":"semver"},{"version":"5.17","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/amd/io_pgtable.c"]}],"references":["https://git.kernel.org/stable/c/378e2fe1eb58d5c2ed55c8fe5e11f9db5033cdd6","https://git.kernel.org/stable/c/c78627f757e37c2cf386b59c700c4e1574988597","https://git.kernel.org/stable/c/6b0b2d9a6a308bcd9300c2d83000a82812c56cea"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/48xxx/CVE-2022-48904.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-48904","state":"PUBLISHED","datePublished":"2024-08-22T01:30:28.907Z","dateUpdated":"2026-05-11T18:49:24.858Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-08-21T06:06:23.292Z"},"containers":{"cna":{"title":"iommu/amd: Fix I/O page table memory leak","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\niommu/amd: Fix I/O page table memory leak\n\nThe current logic updates the I/O page table mode for the domain\nbefore calling the logic to free memory used for the page table.\nThis results in IOMMU page table memory leak, and can be observed\nwhen launching VM w/ pass-through devices.\n\nFix by freeing the memory used for page table before updating the mode."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e42ba0633064ef23eb1c8c21edf96bac1541bd4b","status":"affected","lessThan":"378e2fe1eb58d5c2ed55c8fe5e11f9db5033cdd6","versionType":"git"},{"version":"e42ba0633064ef23eb1c8c21edf96bac1541bd4b","status":"affected","lessThan":"c78627f757e37c2cf386b59c700c4e1574988597","versionType":"git"},{"version":"e42ba0633064ef23eb1c8c21edf96bac1541bd4b","status":"affected","lessThan":"6b0b2d9a6a308bcd9300c2d83000a82812c56cea","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/amd/io_pgtable.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.12","versionType":"semver"},{"version":"5.15.27","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.16.13","status":"unaffected","lessThanOrEqual":"5.16.*","versionType":"semver"},{"version":"5.17","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/amd/io_pgtable.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/378e2fe1eb58d5c2ed55c8fe5e11f9db5033cdd6"},{"url":"https://git.kernel.org/stable/c/c78627f757e37c2cf386b59c700c4e1574988597"},{"url":"https://git.kernel.org/stable/c/6b0b2d9a6a308bcd9300c2d83000a82812c56cea"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T18:49:24.858Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"5.15.27"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"5.16.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"5.17"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2022-48904","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-09-10T15:34:23.714235Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-09-12T17:33:02.557Z"}}]}}}