{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2021-47392",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2021-47392",
    "idYear": 2021,
    "status": "PUBLISHED",
    "publishedAt": "2024-05-21T15:03:50.192Z",
    "updatedAt": "2026-05-23T15:19:54.848Z",
    "importedAt": "2026-10-24T01:56:36.661Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "RDMA/cma: Fix listener leak in rdma_cma_listen_on_all() failure",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/cma: Fix listener leak in rdma_cma_listen_on_all() failure\n\nIf cma_listen_on_all() fails it leaves the per-device ID still on the\nlisten_list but the state is not set to RDMA_CM_ADDR_BOUND.\n\nWhen the cmid is eventually destroyed cma_cancel_listens() is not called\ndue to the wrong state, however the per-device IDs are still holding the\nrefcount preventing the ID from being destroyed, thus deadlocking:\n\n task:rping state:D stack:   0 pid:19605 ppid: 47036 flags:0x00000084\n Call Trace:\n  __schedule+0x29a/0x780\n  ? free_unref_page_commit+0x9b/0x110\n  schedule+0x3c/0xa0\n  schedule_timeout+0x215/0x2b0\n  ? __flush_work+0x19e/0x1e0\n  wait_for_completion+0x8d/0xf0\n  _destroy_id+0x144/0x210 [rdma_cm]\n  ucma_close_id+0x2b/0x40 [rdma_ucm]\n  __destroy_id+0x93/0x2c0 [rdma_ucm]\n  ? __xa_erase+0x4a/0xa0\n  ucma_destroy_id+0x9a/0x120 [rdma_ucm]\n  ucma_write+0xb8/0x130 [rdma_ucm]\n  vfs_write+0xb4/0x250\n  ksys_write+0xb5/0xd0\n  ? syscall_trace_enter.isra.19+0x123/0x190\n  do_syscall_64+0x33/0x40\n  entry_SYSCALL_64_after_hwframe+0x44/0xa9\n\nEnsure that cma_listen_on_all() atomically unwinds its action under the\nlock during error.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "70ba8b1697e35c04ea5f22edb6e401aeb1208d96",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3f4e68902d2e545033c80d7ad62fd9a439e573f4"
            },
            {
              "version": "c80a0c52d85c49a910d0dc0e342e8d8898677dc0",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e56a5146ef8cb51cd7c9e748267dce7564448a35"
            },
            {
              "version": "c80a0c52d85c49a910d0dc0e342e8d8898677dc0",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ca465e1f1f9b38fe916a36f7d80c5d25f2337c81"
            },
            {
              "version": "5.10.4",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.10.71"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.11",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.11"
            },
            {
              "version": "5.10.71",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.14.10",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.14.*"
            },
            {
              "version": "5.15",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}