CVE-2022-49950 (GCVE-0-2022-49950)
Vulnerability from cvelistv5
Published
2025-06-18 11:00
Modified
2025-06-18 11:00
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: fix memory corruption on open The probe session-duplication overflow check incremented the session count also when there were no more available sessions so that memory beyond the fixed-size slab-allocated session array could be corrupted in fastrpc_session_alloc() on open().
References
Impacted products
Vendor Product Version
Linux Linux Version: f6f9279f2bf0e37e2f1fb119d8832b8568536a04
Version: f6f9279f2bf0e37e2f1fb119d8832b8568536a04
Version: f6f9279f2bf0e37e2f1fb119d8832b8568536a04
Version: f6f9279f2bf0e37e2f1fb119d8832b8568536a04
Version: f6f9279f2bf0e37e2f1fb119d8832b8568536a04
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/misc/fastrpc.c"
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          "vendor": "Linux",
          "versions": [
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              "version": "5.1"
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              "status": "unaffected",
              "version": "0",
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              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.0",
              "versionType": "original_commit_for_fix"
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      ],
      "cpeApplicability": [
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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\nmisc: fastrpc: fix memory corruption on open\n\nThe probe session-duplication overflow check incremented the session\ncount also when there were no more available sessions so that memory\nbeyond the fixed-size slab-allocated session array could be corrupted in\nfastrpc_session_alloc() on open()."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-06-18T11:00:13.985Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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      "references": [
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          "url": "https://git.kernel.org/stable/c/f8632b8bb53ebc005d8f24a68a0c1f9678c0e908"
        },
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        {
          "url": "https://git.kernel.org/stable/c/d245f43aab2b61195d8ebb64cef7b5a08c590ab4"
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      ],
      "title": "misc: fastrpc: fix memory corruption on open",
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49950",
    "datePublished": "2025-06-18T11:00:13.985Z",
    "dateReserved": "2025-06-18T10:57:27.382Z",
    "dateUpdated": "2025-06-18T11:00:13.985Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-49950\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-06-18T11:15:22.050\",\"lastModified\":\"2025-06-18T13:46:52.973\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmisc: fastrpc: fix memory corruption on open\\n\\nThe probe session-duplication overflow check incremented the session\\ncount also when there were no more available sessions so that memory\\nbeyond the fixed-size slab-allocated session array could be corrupted in\\nfastrpc_session_alloc() on open().\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: misc: fastrpc: corrige corrupci\u00f3n de memoria al abrir La comprobaci\u00f3n de desbordamiento de duplicaci\u00f3n de sesi\u00f3n de la sonda increment\u00f3 el recuento de sesiones tambi\u00e9n cuando no hab\u00eda m\u00e1s sesiones disponibles, de modo que la memoria m\u00e1s all\u00e1 de la matriz de sesiones asignadas en bloques de tama\u00f1o fijo pod\u00eda corromperse en fastrpc_session_alloc() al abrir().\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/5cf2a57c7a01a0d7bdecf875a63682f542891b1b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/cf20c3533efc89578ace94fa20a9e63446223c72\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d245f43aab2b61195d8ebb64cef7b5a08c590ab4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e0578e603065f120a8759b75e0d6c216c7078a39\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f8632b8bb53ebc005d8f24a68a0c1f9678c0e908\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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