{"id":"CVE-2026-89446","summary":"iommufd: Release current IOAS on xa_store() failure","details":"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.","modified":"2026-09-13T03:47:17.983009441Z","published":"2026-09-11T19:43:13.431Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89446.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/07b4fe1367f076886c1c47a19c70936138325087"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4ac2ce123824d5f885c868fa1f9f4d463141a2ba"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4c33d00ad9a911e87ea222986f732ce072e3aa26"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89446.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89446"},{"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":"051ae5aa73d782a8be2699a11e17c68f28b4e758"},{"fixed":"4c33d00ad9a911e87ea222986f732ce072e3aa26"},{"fixed":"07b4fe1367f076886c1c47a19c70936138325087"},{"fixed":"4ac2ce123824d5f885c868fa1f9f4d463141a2ba"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-89446.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.50"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.4"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-89446.json"}}],"schema_version":"1.9.0"}