{"id":"CVE-2026-89446","revision":"27e5ce61ecb042cb983552966c502d63","records":[{"revision":"27e5ce61ecb042cb983552966c502d63","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-89446","aliases":[],"title":"iommufd: Release current IOAS on xa_store() failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\niommufd: Release current IOAS on xa_store() failure\n\niommufd_take_all_iova_rwsem() takes an object reference and the\niova_rwsem write lock before storing the IOAS in the temporary ioas_list\nxarray.\n\nIf xa_store() fails, the current IOAS has not been inserted into\nioas_list yet. iommufd_release_all_iova_rwsem() only unwinds IOAS\nobjects already present in that xarray, so it cannot release the current\nIOAS.\n\nRelease the current IOAS rwsem and object reference before unwinding the\npreviously stored entries.","state":0,"publishedAt":"2026-09-11T19:43:13.431+00:00","modifiedAt":"2026-10-19T08:46:55.828+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/iommu/iommufd/ioas.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"051ae5aa73d782a8be2699a11e17c68f28b4e758\",\n                            \"lessThan\": \"4c33d00ad9a911e87ea222986f732ce072e3aa26\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"051ae5aa73d782a8be2699a11e17c68f28b4e758\",\n                            \"lessThan\": \"07b4fe1367f076886c1c47a19c70936138325087\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"051ae5aa73d782a8be2699a11e17c68f28b4e758\",\n                            \"lessThan\": \"4ac2ce123824d5f885c868fa1f9f4d463141a2ba\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/iommu/iommufd/ioas.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.13\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.13\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.50\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.4\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/4c33d00ad9a911e87ea222986f732ce072e3aa26","https://git.kernel.org/stable/c/07b4fe1367f076886c1c47a19c70936138325087","https://git.kernel.org/stable/c/4ac2ce123824d5f885c868fa1f9f4d463141a2ba"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-89446","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-89446","identifiers":["CVE-2026-89446"]},"retained":false,"historicalAffected":[]}],"coverage":[]}