{"cve":"CVE-2026-89446","nvd":{"published":"2026-09-11T20:19:25.110","modified":"2026-10-19T09:17:36.743","status":"Received","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.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/07b4fe1367f076886c1c47a19c70936138325087","https://git.kernel.org/stable/c/4ac2ce123824d5f885c868fa1f9f4d463141a2ba","https://git.kernel.org/stable/c/4c33d00ad9a911e87ea222986f732ce072e3aa26"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:53:43.293028046+00:00"},"epss":{"cve":"CVE-2026-89446","score":0.00206,"percentile":0.10618,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}