Vulnerability-Lookup

GHSA-MRMG-JQR4-HG37

Vulnerability from github – Published: 2026-09-11 21:31 – Updated: 2026-09-11 21:31

Details

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

wifi: iwlwifi: dvm: fix memory leak in iwl_op_mode_dvm_start()

In iwl_op_mode_dvm_start(), jumping to out_free_eeprom currently bypasses the out_free_eeprom_blob label. Consequently, error paths triggered after successfully parsing the EEPROM free priv->nvm_data but leak priv->eeprom_blob.

Fix this memory leak by reordering the error handling labels so that out_free_eeprom falls through to out_free_eeprom_blob.

The bug was first flagged by an experimental analysis tool we are developing for kernel memory-management bugs while analyzing v6.13-rc1. The tool is still under development and is not yet publicly available. Manual inspection confirms that the bug is still present in v7.1-rc6.

An x86_64 allyesconfig build showed no new warnings. As we do not have supported Intel DVM wireless hardware and firmware to test with, no runtime testing was able to be performed.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-80948"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-11T20:19:00Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: dvm: fix memory leak in iwl_op_mode_dvm_start()\n\nIn iwl_op_mode_dvm_start(), jumping to out_free_eeprom currently bypasses\nthe out_free_eeprom_blob label. Consequently, error paths triggered after\nsuccessfully parsing the EEPROM free priv-\u003envm_data but leak\npriv-\u003eeeprom_blob.\n\nFix this memory leak by reordering the error handling labels so\nthat out_free_eeprom falls through to out_free_eeprom_blob.\n\nThe bug was first flagged by an experimental analysis tool we are\ndeveloping for kernel memory-management bugs while analyzing\nv6.13-rc1. The tool is still under development and is not yet publicly\navailable. Manual inspection confirms that the bug is still\npresent in v7.1-rc6.\n\nAn x86_64 allyesconfig build showed no new warnings. As we do not have\nsupported Intel DVM wireless hardware and firmware to test with, no\nruntime testing was able to be performed.",
  "id": "GHSA-mrmg-jqr4-hg37",
  "modified": "2026-09-11T21:31:20Z",
  "published": "2026-09-11T21:31:20Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-80948"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/67105abd6195a685a84dcb8a5daf54a1f4bfdb60"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/84ba017a1e1ea7896ed1e3258c947bdbfc5299c5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ad2a9fdca4a7100472be82ee6048c616fc589720"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-80948 (GCVE-0-2026-80948)

Vulnerability from cvelistv5 – Published: 2026-09-11 19:42 – Updated: 2026-09-13 06:23

Title

wifi: iwlwifi: dvm: fix memory leak in iwl_op_mode_dvm_start()

Summary

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: dvm: fix memory leak in iwl_op_mode_dvm_start() In iwl_op_mode_dvm_start(), jumping to out_free_eeprom currently bypasses the out_free_eeprom_blob label. Consequently, error paths triggered after successfully parsing the EEPROM free priv->nvm_data but leak priv->eeprom_blob. Fix this memory leak by reordering the error handling labels so that out_free_eeprom falls through to out_free_eeprom_blob. The bug was first flagged by an experimental analysis tool we are developing for kernel memory-management bugs while analyzing v6.13-rc1. The tool is still under development and is not yet publicly available. Manual inspection confirms that the bug is still present in v7.1-rc6. An x86_64 allyesconfig build showed no new warnings. As we do not have supported Intel DVM wireless hardware and firmware to test with, no runtime testing was able to be performed.

Severity

No CVSS data available.

Assigner

Linux mitre root

References

3 references

URL	Tags
https://git.kernel.org/stable/c/84ba017a1e1ea7896…
https://git.kernel.org/stable/c/ad2a9fdca4a710047…
https://git.kernel.org/stable/c/67105abd6195a685a…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 26a7ca9a71a3f7e1826de96b1a1e907123e11b07 , < 84ba017a1e1ea7896ed1e3258c947bdbfc5299c5 (git) Affected: 26a7ca9a71a3f7e1826de96b1a1e907123e11b07 , < ad2a9fdca4a7100472be82ee6048c616fc589720 (git) Affected: 26a7ca9a71a3f7e1826de96b1a1e907123e11b07 , < 67105abd6195a685a84dcb8a5daf54a1f4bfdb60 (git)
Linux	Linux	Affected: 3.6 Unaffected: 0 , < 3.6 (semver) Unaffected: 6.18.50 , ≤ 6.18.* (semver) Unaffected: 7.2.4 , ≤ 7.2.* (semver) Unaffected: 7.3-rc1 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/intel/iwlwifi/dvm/main.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "84ba017a1e1ea7896ed1e3258c947bdbfc5299c5",
              "status": "affected",
              "version": "26a7ca9a71a3f7e1826de96b1a1e907123e11b07",
              "versionType": "git"
            },
            {
              "lessThan": "ad2a9fdca4a7100472be82ee6048c616fc589720",
              "status": "affected",
              "version": "26a7ca9a71a3f7e1826de96b1a1e907123e11b07",
              "versionType": "git"
            },
            {
              "lessThan": "67105abd6195a685a84dcb8a5daf54a1f4bfdb60",
              "status": "affected",
              "version": "26a7ca9a71a3f7e1826de96b1a1e907123e11b07",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/intel/iwlwifi/dvm/main.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "3.6"
            },
            {
              "lessThan": "3.6",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.50",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.*",
              "status": "unaffected",
              "version": "7.2.4",
              "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": "6.18.50",
                  "versionStartIncluding": "3.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2.4",
                  "versionStartIncluding": "3.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.3-rc1",
                  "versionStartIncluding": "3.6",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: dvm: fix memory leak in iwl_op_mode_dvm_start()\n\nIn iwl_op_mode_dvm_start(), jumping to out_free_eeprom currently bypasses\nthe out_free_eeprom_blob label. Consequently, error paths triggered after\nsuccessfully parsing the EEPROM free priv-\u003envm_data but leak\npriv-\u003eeeprom_blob.\n\nFix this memory leak by reordering the error handling labels so\nthat out_free_eeprom falls through to out_free_eeprom_blob.\n\nThe bug was first flagged by an experimental analysis tool we are\ndeveloping for kernel memory-management bugs while analyzing\nv6.13-rc1. The tool is still under development and is not yet publicly\navailable. Manual inspection confirms that the bug is still\npresent in v7.1-rc6.\n\nAn x86_64 allyesconfig build showed no new warnings. As we do not have\nsupported Intel DVM wireless hardware and firmware to test with, no\nruntime testing was able to be performed."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-13T06:23:53.340Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/84ba017a1e1ea7896ed1e3258c947bdbfc5299c5"
        },
        {
          "url": "https://git.kernel.org/stable/c/ad2a9fdca4a7100472be82ee6048c616fc589720"
        },
        {
          "url": "https://git.kernel.org/stable/c/67105abd6195a685a84dcb8a5daf54a1f4bfdb60"
        }
      ],
      "title": "wifi: iwlwifi: dvm: fix memory leak in iwl_op_mode_dvm_start()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-80948",
    "datePublished": "2026-09-11T19:42:19.048Z",
    "dateReserved": "2026-08-26T14:34:25.804Z",
    "dateUpdated": "2026-09-13T06:23:53.340Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

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Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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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.
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GHSA-MRMG-JQR4-HG37

CVE-2026-80948 (GCVE-0-2026-80948)

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