CVE-2022-49770 (GCVE-0-2022-49770)
Vulnerability from cvelistv5
Published
2025-05-01 14:09
Modified
2025-05-04 08:45
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: ceph: avoid putting the realm twice when decoding snaps fails When decoding the snaps fails it maybe leaving the 'first_realm' and 'realm' pointing to the same snaprealm memory. And then it'll put it twice and could cause random use-after-free, BUG_ON, etc issues.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/044bc6d3c2c0e9090b0841e7b723875756534b45
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/274e4c79a3a2a24fba7cfe0e41113f1138785c37
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2f6e2de3a5289004650118b61f138fe7c28e1905
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/51884d153f7ec85e18d607b2467820a90e0f4359
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cb7495fe957526555782ce0723f79ce92a6db22e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fd879c83e87735ab8f00ef7755752cf0cbae24b2
Impacted products
Vendor Product Version
Linux Linux Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/ceph/snap.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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          ],
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          "vendor": "Linux",
          "versions": [
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              "status": "unaffected",
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              "versionType": "semver"
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              "version": "5.15.81",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.0.*",
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              "version": "6.0.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.1",
              "versionType": "original_commit_for_fix"
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      "cpeApplicability": [
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          "nodes": [
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              "negate": false,
              "operator": "OR"
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nceph: avoid putting the realm twice when decoding snaps fails\n\nWhen decoding the snaps fails it maybe leaving the \u0027first_realm\u0027\nand \u0027realm\u0027 pointing to the same snaprealm memory. And then it\u0027ll\nput it twice and could cause random use-after-free, BUG_ON, etc\nissues."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T08:45:00.199Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/274e4c79a3a2a24fba7cfe0e41113f1138785c37"
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        },
        {
          "url": "https://git.kernel.org/stable/c/51884d153f7ec85e18d607b2467820a90e0f4359"
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      ],
      "title": "ceph: avoid putting the realm twice when decoding snaps fails",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49770",
    "datePublished": "2025-05-01T14:09:08.173Z",
    "dateReserved": "2025-04-16T07:17:33.805Z",
    "dateUpdated": "2025-05-04T08:45:00.199Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-49770\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-05-01T15:15:59.920\",\"lastModified\":\"2025-05-02T13:53:20.943\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nceph: avoid putting the realm twice when decoding snaps fails\\n\\nWhen decoding the snaps fails it maybe leaving the \u0027first_realm\u0027\\nand \u0027realm\u0027 pointing to the same snaprealm memory. And then it\u0027ll\\nput it twice and could cause random use-after-free, BUG_ON, etc\\nissues.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ceph: evita repetir el dominio cuando falla la decodificaci\u00f3n de snaps. Al fallar la decodificaci\u00f3n de snaps, puede que \\\"first_realm\\\" y \\\"realm\\\" apunten a la misma memoria de snaprealm. En ese caso, lo repetir\u00e1, lo que podr\u00eda causar problemas aleatorios de use-after-free, BUG_ON, etc.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/044bc6d3c2c0e9090b0841e7b723875756534b45\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/274e4c79a3a2a24fba7cfe0e41113f1138785c37\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/2f6e2de3a5289004650118b61f138fe7c28e1905\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/51884d153f7ec85e18d607b2467820a90e0f4359\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/cb7495fe957526555782ce0723f79ce92a6db22e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/fd879c83e87735ab8f00ef7755752cf0cbae24b2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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