{
  "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-2021-47130",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2021-47130",
    "idYear": 2021,
    "status": "PUBLISHED",
    "publishedAt": "2024-03-15T20:14:33.955Z",
    "updatedAt": "2026-08-05T08:46:12.154Z",
    "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": "nvmet: fix freeing unallocated p2pmem",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet: fix freeing unallocated p2pmem\n\nIn case p2p device was found but the p2p pool is empty, the nvme target\nis still trying to free the sgl from the p2p pool instead of the\nregular sgl pool and causing a crash (BUG() is called). Instead, assign\nthe p2p_dev for the request only if it was allocated from p2p pool.\n\nThis is the crash that was caused:\n\n[Sun May 30 19:13:53 2021] ------------[ cut here ]------------\n[Sun May 30 19:13:53 2021] kernel BUG at lib/genalloc.c:518!\n[Sun May 30 19:13:53 2021] invalid opcode: 0000 [#1] SMP PTI\n...\n[Sun May 30 19:13:53 2021] kernel BUG at lib/genalloc.c:518!\n...\n[Sun May 30 19:13:53 2021] RIP: 0010:gen_pool_free_owner+0xa8/0xb0\n...\n[Sun May 30 19:13:53 2021] Call Trace:\n[Sun May 30 19:13:53 2021] ------------[ cut here ]------------\n[Sun May 30 19:13:53 2021]  pci_free_p2pmem+0x2b/0x70\n[Sun May 30 19:13:53 2021]  pci_p2pmem_free_sgl+0x4f/0x80\n[Sun May 30 19:13:53 2021]  nvmet_req_free_sgls+0x1e/0x80 [nvmet]\n[Sun May 30 19:13:53 2021] kernel BUG at lib/genalloc.c:518!\n[Sun May 30 19:13:53 2021]  nvmet_rdma_release_rsp+0x4e/0x1f0 [nvmet_rdma]\n[Sun May 30 19:13:53 2021]  nvmet_rdma_send_done+0x1c/0x60 [nvmet_rdma]",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "c6e3f13398123a008cd2ee28f93510b113a32791",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c440cd080761b18a52cac20f2a42e5da1e3995af"
            },
            {
              "version": "c6e3f13398123a008cd2ee28f93510b113a32791",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8a452d62e7cea3c8a2676a3b89a9118755a1a271"
            },
            {
              "version": "c6e3f13398123a008cd2ee28f93510b113a32791",
              "status": "affected",
              "versionType": "git",
              "lessThan": "bcd9a0797d73eeff659582f23277e7ab6e5f18f3"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.8",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.8"
            },
            {
              "version": "5.10.43",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.12.10",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.12.*"
            },
            {
              "version": "5.13",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}