HIGHVulnerability
CVE-2026-64151
In the Linux kernel, the following vulnerability has been resolved: iommupt: Check for missing PAGE_SIZE in the pgsize_bitmap Sashiko pointed out that the driver could drop PAGE_SIZE from the pgsize_bitmap. That is technically allowed but nothing does it, and such an iommu_domain would not be used with the DMA API today. Still, it is against the design and it is trivial to fix up. Lift the PT_WARN_ON to the if branch and just skip the fast path.
Properties
- severity
- HIGH
- score
- 8.4
- cve_id
- CVE-2026-64151
- vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
- published_at
- 2026-07-19T16:17:57.070
- last_modified
- 2026-08-17T17:11:43.930
Related Entities (5)
DESCRIBED_BY (1)
→[Source]NVD
AFFECTS_PRODUCT (4)
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