CVE-2025-39849 (GCVE-0-2025-39849)
Vulnerability from cvelistv5
Published
2025-09-19 15:26
Modified
2025-09-29 06:00
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: sme: cap SSID length in __cfg80211_connect_result() If the ssid->datalen is more than IEEE80211_MAX_SSID_LEN (32) it would lead to memory corruption so add some bounds checking.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/31229145e6ba5ace3e9391113376fa05b7831ede
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5cb7cab7adf9b1e6a99e2081b0e30e9e59d07523
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/62b635dcd69c4fde7ce1de4992d71420a37e51e3
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8e751d46336205abc259ed3990e850a9843fb649
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e472f59d02c82b511bc43a3f96d62ed08bf4537f
Impacted products
Vendor Product Version
Linux Linux Version: dd43f8f90206054e7da7593de0a334fb2cd0ea88
Version: c38c701851011c94ce3be1ccb3593678d2933fd8
Version: c38c701851011c94ce3be1ccb3593678d2933fd8
Version: c38c701851011c94ce3be1ccb3593678d2933fd8
Version: c38c701851011c94ce3be1ccb3593678d2933fd8
Version: bf3c348c5fdcf00a7eeed04a1b83e454d2dca2e5
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   Linux Linux Version: 6.3
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/wireless/sme.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
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        {
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          "programFiles": [
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.3"
            },
            {
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
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              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.151",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.105",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.46",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.16.*",
              "status": "unaffected",
              "version": "6.16.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.17",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: sme: cap SSID length in __cfg80211_connect_result()\n\nIf the ssid-\u003edatalen is more than IEEE80211_MAX_SSID_LEN (32) it would\nlead to memory corruption so add some bounds checking."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-09-29T06:00:59.902Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/8e751d46336205abc259ed3990e850a9843fb649"
        },
        {
          "url": "https://git.kernel.org/stable/c/e472f59d02c82b511bc43a3f96d62ed08bf4537f"
        },
        {
          "url": "https://git.kernel.org/stable/c/31229145e6ba5ace3e9391113376fa05b7831ede"
        },
        {
          "url": "https://git.kernel.org/stable/c/5cb7cab7adf9b1e6a99e2081b0e30e9e59d07523"
        },
        {
          "url": "https://git.kernel.org/stable/c/62b635dcd69c4fde7ce1de4992d71420a37e51e3"
        }
      ],
      "title": "wifi: cfg80211: sme: cap SSID length in __cfg80211_connect_result()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-39849",
    "datePublished": "2025-09-19T15:26:22.073Z",
    "dateReserved": "2025-04-16T07:20:57.142Z",
    "dateUpdated": "2025-09-29T06:00:59.902Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-39849\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-09-19T16:15:43.760\",\"lastModified\":\"2025-09-22T21:23:01.543\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nwifi: cfg80211: sme: cap SSID length in __cfg80211_connect_result()\\n\\nIf the ssid-\u003edatalen is more than IEEE80211_MAX_SSID_LEN (32) it would\\nlead to memory corruption so add some bounds checking.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/31229145e6ba5ace3e9391113376fa05b7831ede\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/5cb7cab7adf9b1e6a99e2081b0e30e9e59d07523\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/62b635dcd69c4fde7ce1de4992d71420a37e51e3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8e751d46336205abc259ed3990e850a9843fb649\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e472f59d02c82b511bc43a3f96d62ed08bf4537f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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