The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - 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. (CVE-2026-53372)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Published	Updated	Severity
328004	Linux Distros Unpatched Vulnerability : CVE-2026-53372	Nessus	Misc.	7/20/2026	7/31/2026	medium
316975	Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1754)	Nessus	Amazon Linux Local Security Checks	5/27/2026	7/31/2026	high

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