Vulnerability-Lookup

GHSA-HMVW-J555-3QXQ

Vulnerability from github – Published: 2026-08-28 09:31 – Updated: 2026-08-28 09:31

Details

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.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-80597"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-28T08:16:43Z",
    "severity": null
  },
  "details": "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.",
  "id": "GHSA-hmvw-j555-3qxq",
  "modified": "2026-08-28T09:31:46Z",
  "published": "2026-08-28T09:31:46Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-80597"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0db62da830ec57ad3efe24337763c8bf5442c6be"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/357e3b8e3a8769ba36eb8ec5e053e4825f1a9329"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/44c6abf5d823de796319d6e23c282ed5b68dc41b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9ac007affa77c3dc3def53760e3d69c350fc9967"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b80a7b8f1a10e9270160b9d33f1253da2195c827"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c60a627edbbd66bfbb0a0f564e64084c23c7ce98"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f4599793240dd60a0a708ef1fe116223f47aa105"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ff6453502c722437e37238900c9e45a1fec34455"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

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

Vulnerability from cvelistv5 – Published: 2026-08-28 06:48 – Updated: 2026-08-28 06:48

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

Linux mitre root

References

8 references

URL	Tags
https://git.kernel.org/stable/c/ff6453502c722437e…
https://git.kernel.org/stable/c/c60a627edbbd66bfb…
https://git.kernel.org/stable/c/0db62da830ec57ad3…
https://git.kernel.org/stable/c/44c6abf5d823de796…
https://git.kernel.org/stable/c/b80a7b8f1a10e9270…
https://git.kernel.org/stable/c/9ac007affa77c3dc3…
https://git.kernel.org/stable/c/f4599793240dd60a0…
https://git.kernel.org/stable/c/357e3b8e3a8769ba3…

Impacted products

2 products

Vendor	Product	Version
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)
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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JSON

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{
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        {
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          "programFiles": [
            "drivers/mtd/maps/vmu-flash.c"
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              "status": "unaffected",
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              "status": "unaffected",
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              "status": "unaffected",
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              "status": "unaffected",
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              "status": "unaffected",
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    "state": "PUBLISHED"
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}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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