Vulnerability-Lookup

GHSA-24W7-QC46-MVH6

Vulnerability from github – Published: 2026-08-15 06:32 – Updated: 2026-08-23 15:33

Details

In the Linux kernel, the following vulnerability has been resolved:

mtd: maps: vmu-flash: fix fault in unaligned fixup

Use kzalloc_obj() / kzalloc_objs() to allocate the memcard structs, instead of kmalloc_obj() / kmalloc_objs() to prevent access to uninitialized data.

Fixes runtime error: Fault in unaligned fixup: 0000 [#1] at mtd_get_fact_prot_info.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-72168"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-15T06:21:34Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: maps: vmu-flash: fix fault in unaligned fixup\n\nUse kzalloc_obj() / kzalloc_objs() to allocate the memcard structs,\ninstead of kmalloc_obj() / kmalloc_objs() to prevent access to\nuninitialized data.\n\nFixes runtime error: Fault in unaligned fixup: 0000 [#1] at\nmtd_get_fact_prot_info.",
  "id": "GHSA-24w7-qc46-mvh6",
  "modified": "2026-08-23T15:33:00Z",
  "published": "2026-08-15T06:32:14Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-72168"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/01928835d80829e615a492aa66c629b953ec7bef"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/19360c25135fccb6bbafbee49a5f66baf9a311af"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/455519f6b70f46ac6cbf41a75ac76ec5e59040f2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/631edc934e476991a04723d3283e6628d077f8c1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/79d1661502c6e4b6f626185cef72cf2fa78116e1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/90494884cd9f02c38b4eafb0ed3b0e1a4410e2ac"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f781e80c9f1e52d92535c076573b0cdafab04864"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-72168 (GCVE-0-2026-72168)

Vulnerability from cvelistv5 – Published: 2026-08-15 05:53 – Updated: 2026-08-23 12:46

Title

mtd: maps: vmu-flash: fix fault in unaligned fixup

Summary

In the Linux kernel, the following vulnerability has been resolved: mtd: maps: vmu-flash: fix fault in unaligned fixup Use kzalloc_obj() / kzalloc_objs() to allocate the memcard structs, instead of kmalloc_obj() / kmalloc_objs() to prevent access to uninitialized data. Fixes runtime error: Fault in unaligned fixup: 0000 [#1] at mtd_get_fact_prot_info.

Severity

No CVSS data available.

Assigner

Linux mitre root

References

7 references

URL	Tags
https://git.kernel.org/stable/c/f781e80c9f1e52d92…
https://git.kernel.org/stable/c/631edc934e476991a…
https://git.kernel.org/stable/c/90494884cd9f02c38…
https://git.kernel.org/stable/c/01928835d80829e61…
https://git.kernel.org/stable/c/19360c25135fccb6b…
https://git.kernel.org/stable/c/455519f6b70f46ac6…
https://git.kernel.org/stable/c/79d1661502c6e4b6f…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 47a72688fae7298e1ad5fdc9bff7e04b6a549620 , < f781e80c9f1e52d92535c076573b0cdafab04864 (git) Affected: 47a72688fae7298e1ad5fdc9bff7e04b6a549620 , < 631edc934e476991a04723d3283e6628d077f8c1 (git) Affected: 47a72688fae7298e1ad5fdc9bff7e04b6a549620 , < 90494884cd9f02c38b4eafb0ed3b0e1a4410e2ac (git) Affected: 47a72688fae7298e1ad5fdc9bff7e04b6a549620 , < 01928835d80829e615a492aa66c629b953ec7bef (git) Affected: 47a72688fae7298e1ad5fdc9bff7e04b6a549620 , < 19360c25135fccb6bbafbee49a5f66baf9a311af (git) Affected: 47a72688fae7298e1ad5fdc9bff7e04b6a549620 , < 455519f6b70f46ac6cbf41a75ac76ec5e59040f2 (git) Affected: 47a72688fae7298e1ad5fdc9bff7e04b6a549620 , < 79d1661502c6e4b6f626185cef72cf2fa78116e1 (git)
Linux	Linux	Affected: 2.6.30 Unaffected: 0 , < 2.6.30 (semver) Unaffected: 5.10.266 , ≤ 5.10.* (semver) Unaffected: 5.15.217 , ≤ 5.15.* (semver) Unaffected: 6.1.184 , ≤ 6.1.* (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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        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/mtd/maps/vmu-flash.c"
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              "version": "47a72688fae7298e1ad5fdc9bff7e04b6a549620",
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              "status": "affected",
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          "vendor": "Linux",
          "versions": [
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              "status": "affected",
              "version": "2.6.30"
            },
            {
              "lessThan": "2.6.30",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
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            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.266",
              "versionType": "semver"
            },
            {
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              "status": "unaffected",
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              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.184",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.101",
              "versionType": "semver"
            },
            {
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              "status": "unaffected",
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              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.5",
              "versionType": "semver"
            },
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              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
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      "cpeApplicability": [
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: maps: vmu-flash: fix fault in unaligned fixup\n\nUse kzalloc_obj() / kzalloc_objs() to allocate the memcard structs,\ninstead of kmalloc_obj() / kmalloc_objs() to prevent access to\nuninitialized data.\n\nFixes runtime error: Fault in unaligned fixup: 0000 [#1] at\nmtd_get_fact_prot_info."
        }
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      "providerMetadata": {
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        "shortName": "Linux"
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    "datePublished": "2026-08-15T05:53:34.868Z",
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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.

Action not permitted

GHSA-24W7-QC46-MVH6

CVE-2026-72168 (GCVE-0-2026-72168)

Tags

Sightings

Nomenclature