CVE-2026-72305 (GCVE-0-2026-72305)

Vulnerability from cvelistv5 – Published: 2026-08-15 05:55 – Updated: 2026-08-23 12:47
VLAI
Title
VDUSE: avoid leaking information to userspace
Summary
In the Linux kernel, the following vulnerability has been resolved: VDUSE: avoid leaking information to userspace The bounceing is not necessarily page aligned, so current VDUSE can leak kernel information through mapping bounce pages to userspace. Allocate bounce pages with __GFP_ZERO to avoid leaking information to userspace.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 8c773d53fb7b64267b0f55c1d3517cb8c5e29b3c , < 41e27a6aca608c9e04f091c29c420d03fafe0313 (git)
Affected: 8c773d53fb7b64267b0f55c1d3517cb8c5e29b3c , < 3ae878f262bd1445c8c31511856a99962a05fe16 (git)
Affected: 8c773d53fb7b64267b0f55c1d3517cb8c5e29b3c , < fde25641cbddd0c084e3320d08f755e7e6acfae5 (git)
Affected: 8c773d53fb7b64267b0f55c1d3517cb8c5e29b3c , < 5e88c1bc3a41d9a260dd42bae8ad18fd4f35bbe1 (git)
Affected: 8c773d53fb7b64267b0f55c1d3517cb8c5e29b3c , < 690fb82c4122f8c2656fa4f842275132771b68b9 (git)
Affected: 8c773d53fb7b64267b0f55c1d3517cb8c5e29b3c , < 00335df9da2011e095f846d645cc2e9fd2907659 (git)
Affected: 8c773d53fb7b64267b0f55c1d3517cb8c5e29b3c , < 9c1523803445ee0348f62b77793266dd981596e0 (git)
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Linux Linux Affected: 5.15
Unaffected: 0 , < 5.15 (semver)
Unaffected: 5.15.217 , ≤ 5.15.* (semver)
Unaffected: 6.1.184 , ≤ 6.1.* (semver)
Unaffected: 6.6.148 , ≤ 6.6.* (semver)
Unaffected: 6.12.101 , ≤ 6.12.* (semver)
Unaffected: 6.18.42 , ≤ 6.18.* (semver)
Unaffected: 7.1.5 , ≤ 7.1.* (semver)
Unaffected: 7.2 , ≤ * (original_commit_for_fix)
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{
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        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-23T12:47:13.473Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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    "datePublished": "2026-08-15T05:55:22.914Z",
    "dateReserved": "2026-08-09T03:40:39.918Z",
    "dateUpdated": "2026-08-23T12:47:13.473Z",
    "state": "PUBLISHED"
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  "vulnerability-lookup:meta": {
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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-08-17T13:41:30+00:00",
      "cve": "CVE-2026-72305",
      "id": "CVE-2026-72305",
      "initial_release_date": "2026-08-15T00:00:00+00:00",
      "product_status:known_affected": "184",
      "product_status:known_not_affected": "90",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: VDUSE: avoid leaking information to userspace",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-72305.json",
      "version": "3"
    }
  }
}



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Taxonomy of the tags.





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

Author Source Type Date Other

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.