cve-2021-47378
Vulnerability from cvelistv5
Published
2024-05-21 15:03
Modified
2024-11-04 12:04
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
nvme-rdma: destroy cm id before destroy qp to avoid use after free
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9817d763dbe15327b9b3ff4404fa6f27f927e744
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d268a182c56e8361e19fb781137411643312b994
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ecf0dc5a904830c926a64feffd8e01141f89822f
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

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              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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                "options": [
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                    "Exploitation": "none"
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                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
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                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-05-22T19:32:22.052423Z",
                "version": "2.0.3"
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              "type": "ssvc"
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        "problemTypes": [
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            "descriptions": [
              {
                "cweId": "CWE-416",
                "description": "CWE-416 Use After Free",
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    "cna": {
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          "product": "Linux",
          "programFiles": [
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    "cveId": "CVE-2021-47378",
    "datePublished": "2024-05-21T15:03:41.038Z",
    "dateReserved": "2024-05-21T14:58:30.811Z",
    "dateUpdated": "2024-11-04T12:04:44.581Z",
    "state": "PUBLISHED"
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    "nvd": "{\"cve\":{\"id\":\"CVE-2021-47378\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-21T15:15:23.527\",\"lastModified\":\"2024-07-03T01:37:49.463\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnvme-rdma: destroy cm id before destroy qp to avoid use after free\\n\\nWe should always destroy cm_id before destroy qp to avoid to get cma\\nevent after qp was destroyed, which may lead to use after free.\\nIn RDMA connection establishment error flow, don\u0027t destroy qp in cm\\nevent handler.Just report cm_error to upper level, qp will be destroy\\nin nvme_rdma_alloc_queue() after destroy cm id.\"},{\"lang\":\"es\",\"value\":\" En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: nvme-rdma: destruye cm id antes de destruir qp para evitar su use after free. Siempre debemos destruir cm_id antes de destruir qp para evitar que se produzca un evento cma despu\u00e9s de que se destruya qp, lo que puede llevar a use after free. En el flujo de error de establecimiento de conexi\u00f3n RDMA, no destruya qp en el controlador de eventos cm. Simplemente informe cm_error al nivel superior, qp se destruir\u00e1 en nvme_rdma_alloc_queue() despu\u00e9s de destruir cm id.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/9817d763dbe15327b9b3ff4404fa6f27f927e744\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d268a182c56e8361e19fb781137411643312b994\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ecf0dc5a904830c926a64feffd8e01141f89822f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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