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

Vulnerability from cvelistv5 – Published: 2026-09-11 19:42 – Updated: 2026-09-11 19:42
VLAI
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.
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: b5dc8873b6ffebd331e46814e537179eac8b6aa4 , < 3a5b23e7dbeb00c93ec3b8add97f5de9bb9cbb5c (git)
Affected: b5dc8873b6ffebd331e46814e537179eac8b6aa4 , < dc8b0be0ec4d9b0c80f07b27e656e4a94de5a344 (git)
Affected: b5dc8873b6ffebd331e46814e537179eac8b6aa4 , < 7159e1e12468a0b1ac519b296280c0a27f91eab5 (git)
Affected: b5dc8873b6ffebd331e46814e537179eac8b6aa4 , < 6496ce90845df2d22fb8e8ed235cd2936fad41c8 (git)
guessed Create a notification for this product.
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)
guessed Create a notification for this product.
Show details on NVD website

{
  "containers": {
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          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/realtek/rtlwifi/rtl8192du/sw.c"
          ],
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                }
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              "negate": false,
              "operator": "OR"
            }
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        }
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        {
          "lang": "en",
          "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."
        }
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      "providerMetadata": {
        "dateUpdated": "2026-09-11T19:42:14.589Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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  "cveMetadata": {
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    "cveId": "CVE-2026-80942",
    "datePublished": "2026-09-11T19:42:14.589Z",
    "dateReserved": "2026-08-26T14:34:25.803Z",
    "dateUpdated": "2026-09-11T19:42:14.589Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
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      "date": "2026-09-17",
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      "percentile": "0.06439"
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                "product": "Linux",
                "programFiles": [
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                ],
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        "cveTags": [],
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          {
            "lang": "en",
            "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."
          }
        ],
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        "metrics": {},
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      "source": "Red Hat CSAF VEX",
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      "title": "kernel: wifi: rtlwifi: rtl8192du: Fix possible memory leak in rtl92du_init_sw_vars()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80942.json",
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      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-80942.json",
      "version": "4"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.
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  • 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.

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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.


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