{"id":"CVE-2022-48904","summary":"iommu/amd: Fix I/O page table memory leak","details":"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.","modified":"2026-03-20T12:22:00.317897Z","published":"2024-08-22T01:30:28.907Z","related":["SUSE-SU-2024:3190-1","SUSE-SU-2024:3209-1","SUSE-SU-2024:3227-1","SUSE-SU-2024:3408-1","SUSE-SU-2024:3483-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48904.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/378e2fe1eb58d5c2ed55c8fe5e11f9db5033cdd6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6b0b2d9a6a308bcd9300c2d83000a82812c56cea"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c78627f757e37c2cf386b59c700c4e1574988597"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48904.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-48904"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"e42ba0633064ef23eb1c8c21edf96bac1541bd4b"},{"fixed":"378e2fe1eb58d5c2ed55c8fe5e11f9db5033cdd6"},{"fixed":"c78627f757e37c2cf386b59c700c4e1574988597"},{"fixed":"6b0b2d9a6a308bcd9300c2d83000a82812c56cea"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-48904.json"}}],"schema_version":"1.7.5"}