Vulnerability-Lookup

GHSA-26CR-HP89-HVF4

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: rtlwifi: rtl8192du: Fix possible memory leak in rtl92du_init_sw_vars()

The memory allocated inside rtl92du_init_shared_data() is not freed in any of the subsequent error paths in rtl92du_init_sw_vars(). Fix that by adding a call to rtl92du_deinit_shared_data() in the error path.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-80942"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-11T20:18:59Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtlwifi: rtl8192du: Fix possible memory leak in rtl92du_init_sw_vars()\n\nThe memory allocated inside rtl92du_init_shared_data() is not freed in\nany of the subsequent error paths in rtl92du_init_sw_vars().\nFix that by adding a call to rtl92du_deinit_shared_data() in the error\npath.",
  "id": "GHSA-26cr-hp89-hvf4",
  "modified": "2026-09-11T21:31:20Z",
  "published": "2026-09-11T21:31:20Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-80942"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3a5b23e7dbeb00c93ec3b8add97f5de9bb9cbb5c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6496ce90845df2d22fb8e8ed235cd2936fad41c8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7159e1e12468a0b1ac519b296280c0a27f91eab5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dc8b0be0ec4d9b0c80f07b27e656e4a94de5a344"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-80942 (GCVE-0-2026-80942)

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

Title

wifi: rtlwifi: rtl8192du: Fix possible memory leak in rtl92du_init_sw_vars()

Summary

In the Linux kernel, the following vulnerability has been resolved: wifi: rtlwifi: rtl8192du: Fix possible memory leak in rtl92du_init_sw_vars() The memory allocated inside rtl92du_init_shared_data() is not freed in any of the subsequent error paths in rtl92du_init_sw_vars(). Fix that by adding a call to rtl92du_deinit_shared_data() in the error path.

Severity

No CVSS data available.

Assigner

Linux mitre root

References

4 references

URL	Tags
https://git.kernel.org/stable/c/3a5b23e7dbeb00c93…
https://git.kernel.org/stable/c/dc8b0be0ec4d9b0c8…
https://git.kernel.org/stable/c/7159e1e12468a0b1a…
https://git.kernel.org/stable/c/6496ce90845df2d22…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: b5dc8873b6ffebd331e46814e537179eac8b6aa4 , < 3a5b23e7dbeb00c93ec3b8add97f5de9bb9cbb5c (git) Affected: b5dc8873b6ffebd331e46814e537179eac8b6aa4 , < dc8b0be0ec4d9b0c80f07b27e656e4a94de5a344 (git) Affected: b5dc8873b6ffebd331e46814e537179eac8b6aa4 , < 7159e1e12468a0b1ac519b296280c0a27f91eab5 (git) Affected: b5dc8873b6ffebd331e46814e537179eac8b6aa4 , < 6496ce90845df2d22fb8e8ed235cd2936fad41c8 (git)
Linux	Linux	Affected: 6.11 Unaffected: 0 , < 6.11 (semver) Unaffected: 6.12.109 , ≤ 6.12.* (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": {
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      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/realtek/rtlwifi/rtl8192du/sw.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
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              "version": "b5dc8873b6ffebd331e46814e537179eac8b6aa4",
              "versionType": "git"
            },
            {
              "lessThan": "dc8b0be0ec4d9b0c80f07b27e656e4a94de5a344",
              "status": "affected",
              "version": "b5dc8873b6ffebd331e46814e537179eac8b6aa4",
              "versionType": "git"
            },
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        },
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          "programFiles": [
            "drivers/net/wireless/realtek/rtlwifi/rtl8192du/sw.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.11"
            },
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
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            {
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              "status": "unaffected",
              "version": "6.12.109",
              "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"
            }
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        }
      ],
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          "nodes": [
            {
              "cpeMatch": [
                {
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                  "versionStartIncluding": "6.11",
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              "operator": "OR"
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      "descriptions": [
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtlwifi: rtl8192du: Fix possible memory leak in rtl92du_init_sw_vars()\n\nThe memory allocated inside rtl92du_init_shared_data() is not freed in\nany of the subsequent error paths in rtl92du_init_sw_vars().\nFix that by adding a call to rtl92du_deinit_shared_data() in the error\npath."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-11T19:42:14.589Z",
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    "datePublished": "2026-09-11T19:42:14.589Z",
    "dateReserved": "2026-08-26T14:34:25.803Z",
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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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