CVE-2026-80942 (GCVE-0-2026-80942)
Vulnerability from cvelistv5
Published
2026-09-11 19:42
Modified
2026-10-19 08:45
Severity ?
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.
References
Impacted products
Vendor Product Version
Linux Linux Version: b5dc8873b6ffebd331e46814e537179eac8b6aa4
Version: b5dc8873b6ffebd331e46814e537179eac8b6aa4
Version: b5dc8873b6ffebd331e46814e537179eac8b6aa4
Version: b5dc8873b6ffebd331e46814e537179eac8b6aa4
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{
  "containers": {
    "cna": {
      "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": [
            {
              "lessThan": "3a5b23e7dbeb00c93ec3b8add97f5de9bb9cbb5c",
              "status": "affected",
              "version": "b5dc8873b6ffebd331e46814e537179eac8b6aa4",
              "versionType": "git"
            },
            {
              "lessThan": "dc8b0be0ec4d9b0c80f07b27e656e4a94de5a344",
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              "versionType": "git"
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              "status": "affected",
              "version": "b5dc8873b6ffebd331e46814e537179eac8b6aa4",
              "versionType": "git"
            },
            {
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              "status": "affected",
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              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "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": [
            {
              "status": "affected",
              "version": "6.11"
            },
            {
              "lessThan": "6.11",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "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",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.109",
                  "versionStartIncluding": "6.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.50",
                  "versionStartIncluding": "6.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2.4",
                  "versionStartIncluding": "6.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.3",
                  "versionStartIncluding": "6.11",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "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."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-19T08:45:26.138Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/3a5b23e7dbeb00c93ec3b8add97f5de9bb9cbb5c"
        },
        {
          "url": "https://git.kernel.org/stable/c/dc8b0be0ec4d9b0c80f07b27e656e4a94de5a344"
        },
        {
          "url": "https://git.kernel.org/stable/c/7159e1e12468a0b1ac519b296280c0a27f91eab5"
        },
        {
          "url": "https://git.kernel.org/stable/c/6496ce90845df2d22fb8e8ed235cd2936fad41c8"
        }
      ],
      "title": "wifi: rtlwifi: rtl8192du: Fix possible memory leak in rtl92du_init_sw_vars()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-80942",
    "datePublished": "2026-09-11T19:42:14.589Z",
    "dateReserved": "2026-08-26T14:34:25.803Z",
    "dateUpdated": "2026-10-19T08:45:26.138Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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