CVE-2025-37808 (GCVE-0-2025-37808)
Vulnerability from cvelistv5
Published
2025-05-08 06:26
Modified
2025-09-03 12:59
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: crypto: null - Use spin lock instead of mutex As the null algorithm may be freed in softirq context through af_alg, use spin locks instead of mutexes to protect the default null algorithm.
References
Impacted products
Vendor Product Version
Linux Linux Version: 330234638e16b7b95e8e5e6be719a61a93f074b8
Version: 330234638e16b7b95e8e5e6be719a61a93f074b8
Version: 330234638e16b7b95e8e5e6be719a61a93f074b8
Version: 330234638e16b7b95e8e5e6be719a61a93f074b8
Version: 330234638e16b7b95e8e5e6be719a61a93f074b8
Version: 330234638e16b7b95e8e5e6be719a61a93f074b8
Version: 330234638e16b7b95e8e5e6be719a61a93f074b8
Version: 330234638e16b7b95e8e5e6be719a61a93f074b8
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "crypto/crypto_null.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
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              "versionType": "git"
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          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.2"
            },
            {
              "lessThan": "4.2",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.293",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.237",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.181",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.136",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.89",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.26",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.14.*",
              "status": "unaffected",
              "version": "6.14.5",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.15",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.4.293",
                  "versionStartIncluding": "4.2",
                  "vulnerable": true
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                  "versionEndExcluding": "5.10.237",
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                  "vulnerable": true
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                  "versionEndExcluding": "6.15",
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                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: null - Use spin lock instead of mutex\n\nAs the null algorithm may be freed in softirq context through\naf_alg, use spin locks instead of mutexes to protect the default\nnull algorithm."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-09-03T12:59:25.700Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/f7a5a5c8e1ec16a4b2041398abe95de0e14572ef"
        },
        {
          "url": "https://git.kernel.org/stable/c/e307c54ac8198bf09652c72603ba6e6d97798410"
        },
        {
          "url": "https://git.kernel.org/stable/c/1dd4a8561d85dea545cf93f56efc48df8176e218"
        },
        {
          "url": "https://git.kernel.org/stable/c/e27244cbe10658a66b8775be7f0acc4ad2f618d6"
        },
        {
          "url": "https://git.kernel.org/stable/c/1b66a5920b7fc7cc6251192a3fcad115b6d75dd5"
        },
        {
          "url": "https://git.kernel.org/stable/c/0486de3c1b8223138dcc614846bd76364f758de6"
        },
        {
          "url": "https://git.kernel.org/stable/c/8cf2945512a8c0ef74ddd5b5a4f6b6a2fb1a4efb"
        },
        {
          "url": "https://git.kernel.org/stable/c/dcc47a028c24e793ce6d6efebfef1a1e92f80297"
        }
      ],
      "title": "crypto: null - Use spin lock instead of mutex",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
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  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-37808",
    "datePublished": "2025-05-08T06:26:06.886Z",
    "dateReserved": "2025-04-16T04:51:23.942Z",
    "dateUpdated": "2025-09-03T12:59:25.700Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-37808\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-05-08T07:15:51.973\",\"lastModified\":\"2025-05-08T14:39:09.683\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ncrypto: null - Use spin lock instead of mutex\\n\\nAs the null algorithm may be freed in softirq context through\\naf_alg, use spin locks instead of mutexes to protect the default\\nnull algorithm.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: crypto: null - Utilizar bloqueo de giro en lugar de mutex Como el algoritmo nulo se puede liberar en el contexto de softirq a trav\u00e9s de af_alg, utilice bloqueos de giro en lugar de mutex para proteger el algoritmo nulo predeterminado.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0486de3c1b8223138dcc614846bd76364f758de6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/1b66a5920b7fc7cc6251192a3fcad115b6d75dd5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/1dd4a8561d85dea545cf93f56efc48df8176e218\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8cf2945512a8c0ef74ddd5b5a4f6b6a2fb1a4efb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/dcc47a028c24e793ce6d6efebfef1a1e92f80297\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e27244cbe10658a66b8775be7f0acc4ad2f618d6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e307c54ac8198bf09652c72603ba6e6d97798410\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f7a5a5c8e1ec16a4b2041398abe95de0e14572ef\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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