CVE-2026-53372 (GCVE-0-2026-53372)

Vulnerability from cvelistv5 – Published: 2026-07-19 09:10 – Updated: 2026-07-19 09:10
VLAI
Title
iommu/vt-d: Block PASID attachment to nested domain with dirty tracking
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.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 67f6f56b59126b3bf4fc6f4ea564e450fcfcf9f6 , < 3ea9ce757bd3de955b56e7bc5672fc479e40b045 (git)
Affected: 67f6f56b59126b3bf4fc6f4ea564e450fcfcf9f6 , < 9009c1af5458322469fa9a4371081a4449c5947d (git)
Affected: 67f6f56b59126b3bf4fc6f4ea564e450fcfcf9f6 , < cc5bd898ff70710ffc41cd8e5c2741cb64750047 (git)
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Linux Linux Affected: 6.13
Unaffected: 0 , < 6.13 (semver)
Unaffected: 6.18.30 , ≤ 6.18.* (semver)
Unaffected: 7.0.7 , ≤ 7.0.* (semver)
Unaffected: 7.1 , ≤ * (original_commit_for_fix)
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/vt-d: Block PASID attachment to nested domain with dirty tracking\n\nKernel lacks dirty tracking support on nested domain attached to PASID,\nfails the attachment early if nesting parent domain is dirty tracking\nconfigured, otherwise dirty pages would be lost."
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      "providerMetadata": {
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    "datePublished": "2026-07-19T09:10:32.453Z",
    "dateReserved": "2026-06-09T07:44:35.401Z",
    "dateUpdated": "2026-07-19T09:10:32.453Z",
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    "redhat_vex": {
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      "current_release_date": "2026-07-20T13:08:42+00:00",
      "cve": "CVE-2026-53372",
      "id": "CVE-2026-53372",
      "initial_release_date": "2026-07-19T00:00:00+00:00",
      "product_status:known_affected": "184",
      "product_status:known_not_affected": "90",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: iommu/vt-d: Block PASID attachment to nested domain with dirty tracking",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53372.json",
      "version": "3"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.