Vulnerability-Lookup

GHSA-X74J-6WVR-GPX3

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:

wifi: iwlwifi: guard against division by zero in iwl_dbg_tlv_alloc_fragments

Make sure we don't end-up with a num_frags = 0 situation. For that, check that the required size is not 0 and put a checker on num_frags as well.

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-93062"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-17T17:17:59Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: guard against division by zero in iwl_dbg_tlv_alloc_fragments\n\nMake sure we don\u0027t end-up with a num_frags = 0 situation.\nFor that, check that the required size is not 0 and put a checker on\nnum_frags as well.",
  "id": "GHSA-x74j-6wvr-gpx3",
  "modified": "2026-09-17T18:32:09Z",
  "published": "2026-09-17T18:32:09Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-93062"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/11dde137f1258004bd1ed76ea2480a641e1fb753"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6df26657c626b63b5a47026128cc021f66722a41"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9318bc0c41b24705690cf80d1596cf6b711e7027"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bc7a7ad93070879c74cdcb107ebb1a02ec212712"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f26f72c2448829701d7c3e840fac9d168a98a955"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-93062 (GCVE-0-2026-93062)

Vulnerability from cvelistv5 – Published: 2026-09-17 16:10 – Updated: 2026-09-17 16:10

Title

wifi: iwlwifi: guard against division by zero in iwl_dbg_tlv_alloc_fragments

Summary

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: guard against division by zero in iwl_dbg_tlv_alloc_fragments Make sure we don't end-up with a num_frags = 0 situation. For that, check that the required size is not 0 and put a checker on num_frags as well.

Severity

No CVSS data available.

Assigner

Linux mitre root

References

5 references

URL	Tags
https://git.kernel.org/stable/c/11dde137f1258004b…
https://git.kernel.org/stable/c/6df26657c626b63b5…
https://git.kernel.org/stable/c/f26f72c2448829701…
https://git.kernel.org/stable/c/bc7a7ad93070879c7…
https://git.kernel.org/stable/c/9318bc0c41b247056…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 14124b25780db542b2bc31aadecc37a2a6534f40 , < 11dde137f1258004bd1ed76ea2480a641e1fb753 (git) Affected: 14124b25780db542b2bc31aadecc37a2a6534f40 , < 6df26657c626b63b5a47026128cc021f66722a41 (git) Affected: 14124b25780db542b2bc31aadecc37a2a6534f40 , < f26f72c2448829701d7c3e840fac9d168a98a955 (git) Affected: 14124b25780db542b2bc31aadecc37a2a6534f40 , < bc7a7ad93070879c74cdcb107ebb1a02ec212712 (git) Affected: 14124b25780db542b2bc31aadecc37a2a6534f40 , < 9318bc0c41b24705690cf80d1596cf6b711e7027 (git)
Linux	Linux	Affected: 5.5 Unaffected: 0 , < 5.5 (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)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "11dde137f1258004bd1ed76ea2480a641e1fb753",
              "status": "affected",
              "version": "14124b25780db542b2bc31aadecc37a2a6534f40",
              "versionType": "git"
            },
            {
              "lessThan": "6df26657c626b63b5a47026128cc021f66722a41",
              "status": "affected",
              "version": "14124b25780db542b2bc31aadecc37a2a6534f40",
              "versionType": "git"
            },
            {
              "lessThan": "f26f72c2448829701d7c3e840fac9d168a98a955",
              "status": "affected",
              "version": "14124b25780db542b2bc31aadecc37a2a6534f40",
              "versionType": "git"
            },
            {
              "lessThan": "bc7a7ad93070879c74cdcb107ebb1a02ec212712",
              "status": "affected",
              "version": "14124b25780db542b2bc31aadecc37a2a6534f40",
              "versionType": "git"
            },
            {
              "lessThan": "9318bc0c41b24705690cf80d1596cf6b711e7027",
              "status": "affected",
              "version": "14124b25780db542b2bc31aadecc37a2a6534f40",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.5"
            },
            {
              "lessThan": "5.5",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.157",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.110",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.52",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.*",
              "status": "unaffected",
              "version": "7.2.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.3-rc1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.157",
                  "versionStartIncluding": "5.5",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.110",
                  "versionStartIncluding": "5.5",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.52",
                  "versionStartIncluding": "5.5",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2.6",
                  "versionStartIncluding": "5.5",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.3-rc1",
                  "versionStartIncluding": "5.5",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: guard against division by zero in iwl_dbg_tlv_alloc_fragments\n\nMake sure we don\u0027t end-up with a num_frags = 0 situation.\nFor that, check that the required size is not 0 and put a checker on\nnum_frags as well."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-17T16:10:48.451Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/11dde137f1258004bd1ed76ea2480a641e1fb753"
        },
        {
          "url": "https://git.kernel.org/stable/c/6df26657c626b63b5a47026128cc021f66722a41"
        },
        {
          "url": "https://git.kernel.org/stable/c/f26f72c2448829701d7c3e840fac9d168a98a955"
        },
        {
          "url": "https://git.kernel.org/stable/c/bc7a7ad93070879c74cdcb107ebb1a02ec212712"
        },
        {
          "url": "https://git.kernel.org/stable/c/9318bc0c41b24705690cf80d1596cf6b711e7027"
        }
      ],
      "title": "wifi: iwlwifi: guard against division by zero in iwl_dbg_tlv_alloc_fragments",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-93062",
    "datePublished": "2026-09-17T16:10:48.451Z",
    "dateReserved": "2026-09-17T15:57:05.660Z",
    "dateUpdated": "2026-09-17T16:10:48.451Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

GHSA-X74J-6WVR-GPX3

CVE-2026-93062 (GCVE-0-2026-93062)

Tags

Sightings

Nomenclature

Related by attack behaviour