CVE-2026-72101 (GCVE-0-2026-72101)

Vulnerability from cvelistv5 – Published: 2026-08-15 05:52 – Updated: 2026-08-17 05:08
VLAI
Title
dm-integrity: fix leaking uninitialized kernel memory
Summary
In the Linux kernel, the following vulnerability has been resolved: dm-integrity: fix leaking uninitialized kernel memory If hash size is less than device's tuple size, dm-integrity is supposed to zero the remaining space. There was a bug in the code that zeroing didn't work. This commit fixes it.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: fb0987682c629c1d2c476f35f6fde405a5e304a4 , < 50af3e51dc709384701dbc721b4bd865285c5f2c (git)
Affected: fb0987682c629c1d2c476f35f6fde405a5e304a4 , < 0c4e9bb1d4101030f55c869f18bd3ece39a77bbb (git)
Affected: fb0987682c629c1d2c476f35f6fde405a5e304a4 , < 8f0af8493009a61b4313e0a8c6e03fbc36fd43f9 (git)
Affected: fb0987682c629c1d2c476f35f6fde405a5e304a4 , < 7bb03b2b01b814a9fc14afbfc2cbb2cca5b34750 (git)
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Linux Linux Affected: 6.11
Unaffected: 0 , < 6.11 (semver)
Unaffected: 6.12.101 , ≤ 6.12.* (semver)
Unaffected: 6.18.40 , ≤ 6.18.* (semver)
Unaffected: 7.1.5 , ≤ 7.1.* (semver)
Unaffected: 7.2 , ≤ * (original_commit_for_fix)
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm-integrity: fix leaking uninitialized kernel memory\n\nIf hash size is less than device\u0027s tuple size, dm-integrity is supposed\nto zero the remaining space. There was a bug in the code that zeroing\ndidn\u0027t work. This commit fixes it."
        }
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      "providerMetadata": {
        "dateUpdated": "2026-08-17T05:08:13.573Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
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      "title": "dm-integrity: fix leaking uninitialized kernel memory",
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-72101",
    "datePublished": "2026-08-15T05:52:45.548Z",
    "dateReserved": "2026-08-09T03:40:39.905Z",
    "dateUpdated": "2026-08-17T05:08:13.573Z",
    "state": "PUBLISHED"
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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-08-17T21:56:49+00:00",
      "cve": "CVE-2026-72101",
      "id": "CVE-2026-72101",
      "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: dm-integrity: fix leaking uninitialized kernel memory",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-72101.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.


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