CVE-2026-53372

Summary

In the Linux kernel, the following vulnerability has been resolved:

iommu/vt-d: Block PASID attachment to nested domain with dirty tracking

Kernel lacks dirty tracking support on nested domain attached to PASID, fails the attachment early if nesting parent domain is dirty tracking configured, otherwise dirty pages would be lost.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux67f6f56b59126b3bf4fc6f4ea564e450fcfcf9f6 < 3ea9ce757bd3de955b56e7bc5672fc479e40b045affected
LinuxLinux67f6f56b59126b3bf4fc6f4ea564e450fcfcf9f6 < 9009c1af5458322469fa9a4371081a4449c5947daffected
LinuxLinux67f6f56b59126b3bf4fc6f4ea564e450fcfcf9f6 < cc5bd898ff70710ffc41cd8e5c2741cb64750047affected
LinuxLinux6.13affected
LinuxLinux0 < 6.13unaffected
LinuxLinux6.18.30 <= 6.18.*unaffected
LinuxLinux7.0.7 <= 7.0.*unaffected
LinuxLinux7.1 <= *unaffected

Weaknesses

References