CVE-2026-80597 (GCVE-0-2026-80597)

Vulnerability from cvelistv5 – Published: 2026-08-28 06:48 – Updated: 2026-08-28 06:48
VLAI
Title
mtd: maps: vmu-flash: fix NULL pointer dereference in initialization
Summary
In the Linux kernel, the following vulnerability has been resolved: mtd: maps: vmu-flash: fix NULL pointer dereference in initialization The mtd_info contains a struct device, which must be linked to its parent. Without this, the initialization of the MTD fails with a NULL pointer dereference.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 47a72688fae7298e1ad5fdc9bff7e04b6a549620 , < ff6453502c722437e37238900c9e45a1fec34455 (git)
Affected: 47a72688fae7298e1ad5fdc9bff7e04b6a549620 , < c60a627edbbd66bfbb0a0f564e64084c23c7ce98 (git)
Affected: 47a72688fae7298e1ad5fdc9bff7e04b6a549620 , < 0db62da830ec57ad3efe24337763c8bf5442c6be (git)
Affected: 47a72688fae7298e1ad5fdc9bff7e04b6a549620 , < 44c6abf5d823de796319d6e23c282ed5b68dc41b (git)
Affected: 47a72688fae7298e1ad5fdc9bff7e04b6a549620 , < b80a7b8f1a10e9270160b9d33f1253da2195c827 (git)
Affected: 47a72688fae7298e1ad5fdc9bff7e04b6a549620 , < 9ac007affa77c3dc3def53760e3d69c350fc9967 (git)
Affected: 47a72688fae7298e1ad5fdc9bff7e04b6a549620 , < f4599793240dd60a0a708ef1fe116223f47aa105 (git)
Affected: 47a72688fae7298e1ad5fdc9bff7e04b6a549620 , < 357e3b8e3a8769ba36eb8ec5e053e4825f1a9329 (git)
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Linux Linux Affected: 2.6.30
Unaffected: 0 , < 2.6.30 (semver)
Unaffected: 5.10.261 , ≤ 5.10.* (semver)
Unaffected: 5.15.212 , ≤ 5.15.* (semver)
Unaffected: 6.1.178 , ≤ 6.1.* (semver)
Unaffected: 6.6.145 , ≤ 6.6.* (semver)
Unaffected: 6.12.97 , ≤ 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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{
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: maps: vmu-flash: fix NULL pointer dereference in initialization\n\nThe mtd_info contains a struct device, which must be linked to its\nparent. Without this, the initialization of the MTD fails with a NULL\npointer dereference."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-28T06:48:23.499Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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    "datePublished": "2026-08-28T06:48:23.499Z",
    "dateReserved": "2026-08-26T14:34:25.771Z",
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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-08-31T10:51:45+00:00",
      "cve": "CVE-2026-80597",
      "id": "CVE-2026-80597",
      "initial_release_date": "2026-08-28T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: mtd: maps: vmu-flash: fix NULL pointer dereference in initialization",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80597.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

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.