CVE-2026-89446Medium· 5.5▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: iommufd: Release current IOAS on xa_store() failure iommufd_take_all_iova_rwsem() takes an object reference and the iova_rwsem write lock before storing the IOAS in th…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 30.3 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 12.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.2%
— → 4.4
none → medium
— → 4.4
none → medium
— → 5.5
none → medium
0.2% → 0.2%
Last analysed / modified upstream
In the Linux kernel, the following vulnerability has been resolved:
iommufd: Release current IOAS on xa_store() failure
iommufd_take_all_iova_rwsem() takes an object reference and the iova_rwsem write lock before storing the IOAS in the temporary ioas_list xarray.
If xa_store() fails, the current IOAS has not been inserted into ioas_list yet. iommufd_release_all_iova_rwsem() only unwinds IOAS objects already present in that xarray, so it cannot release the current IOAS.
Release the current IOAS rwsem and object reference before unwinding the previously stored entries.
Linux >= 051ae5aa73d782a8be2699a11e17c68f28b4e758 < 4c33d00ad9a911e87ea222986f732ce072e3aa26Linux >= 051ae5aa73d782a8be2699a11e17c68f28b4e758 < 07b4fe1367f076886c1c47a19c70936138325087Linux >= 051ae5aa73d782a8be2699a11e17c68f28b4e758 < 4ac2ce123824d5f885c868fa1f9f4d463141a2baLinux 6.13Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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