Threats Tagged 'ubuntu-cve-2026-45945'
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Threats Tagged 'ubuntu-cve-2026-45945'
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A race condition vulnerability in the Linux kernel's Intel VT-d PASID entry replacement was fixed. The issue involved unsafe replacement of a 512-bit PASID table entry while it was active, risking torn reads by hardware fetching the entry in multiple chunks. This could lead to inconsistent IOMMU states causing unpredictable behavior or faults. The fix implements a clear-then-update approach to ensure safe updates with proper invalidation. The vulnerability has a high CVSS score of 8.8 and affects multiple Ubuntu LTS versions. No known exploits are reported in the wild. Join the discussion | GCVE Database | 05/27/2026, 14:17:00 UTC Added: 07/18/2026, 19:25:11 UTC |
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