Vulnerability-Lookup

GHSA-V35X-QR5H-M345

Vulnerability from github – Published: 2026-09-17 18:32 – Updated: 2026-09-17 18:32

Details

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

scsi: ufs: debugfs: Reserve space for a string terminator

ufs_saved_err_write() copies user input into a zero-initialized stack buffer and passes it to kstrtoint(). A write that fills the entire buffer overwrites its only terminator.

Reject an input whose length leaves no room for the trailing NUL.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-92477"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-17T17:17:49Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: ufs: debugfs: Reserve space for a string terminator\n\nufs_saved_err_write() copies user input into a zero-initialized stack\nbuffer and passes it to kstrtoint(). A write that fills the entire buffer\noverwrites its only terminator.\n\nReject an input whose length leaves no room for the trailing NUL.",
  "id": "GHSA-v35x-qr5h-m345",
  "modified": "2026-09-17T18:32:05Z",
  "published": "2026-09-17T18:32:05Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-92477"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2b3fb5693c25c21741f357a8c9d0e1f19b7e368f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/587be18e0935632ebd367b0f89e37aa5762e400f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/abd26e6b53c4169122d61fdd4cabe09bdd916aac"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b43890843e834300f967c69e74c7c2eb22cb1664"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cc92af8cc0e4dacd4375d34475141b0f1a70c09e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d223989e1a1edad217b673486b093bd157fb6c9a"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-92477 (GCVE-0-2026-92477)

Vulnerability from cvelistv5 – Published: 2026-09-17 16:09 – Updated: 2026-09-17 16:09

Title

scsi: ufs: debugfs: Reserve space for a string terminator

Summary

In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: debugfs: Reserve space for a string terminator ufs_saved_err_write() copies user input into a zero-initialized stack buffer and passes it to kstrtoint(). A write that fills the entire buffer overwrites its only terminator. Reject an input whose length leaves no room for the trailing NUL.

Severity

No CVSS data available.

Assigner

Linux mitre root Scorecard

References

6 references

URL	Tags
https://git.kernel.org/stable/c/b43890843e834300f…
https://git.kernel.org/stable/c/587be18e0935632eb…
https://git.kernel.org/stable/c/d223989e1a1edad21…
https://git.kernel.org/stable/c/cc92af8cc0e4dacd4…
https://git.kernel.org/stable/c/2b3fb5693c25c2174…
https://git.kernel.org/stable/c/abd26e6b53c416912…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 7340faae947400907e5e7581444712110d2811d5 , < b43890843e834300f967c69e74c7c2eb22cb1664 (git) Affected: 7340faae947400907e5e7581444712110d2811d5 , < 587be18e0935632ebd367b0f89e37aa5762e400f (git) Affected: 7340faae947400907e5e7581444712110d2811d5 , < d223989e1a1edad217b673486b093bd157fb6c9a (git) Affected: 7340faae947400907e5e7581444712110d2811d5 , < cc92af8cc0e4dacd4375d34475141b0f1a70c09e (git) Affected: 7340faae947400907e5e7581444712110d2811d5 , < 2b3fb5693c25c21741f357a8c9d0e1f19b7e368f (git) Affected: 7340faae947400907e5e7581444712110d2811d5 , < abd26e6b53c4169122d61fdd4cabe09bdd916aac (git)
Linux	Linux	Affected: 5.16 Unaffected: 0 , < 5.16 (semver) Unaffected: 6.1.188 , ≤ 6.1.* (semver) Unaffected: 6.6.157 , ≤ 6.6.* (semver) Unaffected: 6.12.110 , ≤ 6.12.* (semver) Unaffected: 6.18.52 , ≤ 6.18.* (semver) Unaffected: 7.2.6 , ≤ 7.2.* (semver) Unaffected: 7.3-rc1 , ≤ * (original_commit_for_fix)

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        {
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          "programFiles": [
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              "status": "unaffected",
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              "versionType": "semver"
            },
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              "status": "unaffected",
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            },
            {
              "lessThanOrEqual": "7.2.*",
              "status": "unaffected",
              "version": "7.2.6",
              "versionType": "semver"
            },
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              "version": "7.3-rc1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
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      "title": "scsi: ufs: debugfs: Reserve space for a string terminator",
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    "dateReserved": "2026-09-16T12:21:13.870Z",
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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.

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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GHSA-V35X-QR5H-M345

CVE-2026-92477 (GCVE-0-2026-92477)

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