{
  "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-2023-53259",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-53259",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2025-09-15T14:46:30.955Z",
    "updatedAt": "2026-05-11T19:41:19.823Z",
    "importedAt": "2026-10-24T01:57:03.413Z",
    "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": "VMCI: check context->notify_page after call to get_user_pages_fast() to avoid GPF",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nVMCI: check context->notify_page after call to get_user_pages_fast() to avoid GPF\n\nThe call to get_user_pages_fast() in vmci_host_setup_notify() can return\nNULL context->notify_page causing a GPF. To avoid GPF check if\ncontext->notify_page == NULL and return error if so.\n\ngeneral protection fault, probably for non-canonical address\n    0xe0009d1000000060: 0000 [#1] PREEMPT SMP KASAN NOPTI\nKASAN: maybe wild-memory-access in range [0x0005088000000300-\n    0x0005088000000307]\nCPU: 2 PID: 26180 Comm: repro_34802241 Not tainted 6.1.0-rc4 #1\nHardware name: Red Hat KVM, BIOS 1.15.0-2.module+el8.6.0 04/01/2014\nRIP: 0010:vmci_ctx_check_signal_notify+0x91/0xe0\nCall Trace:\n <TASK>\n vmci_host_unlocked_ioctl+0x362/0x1f40\n __x64_sys_ioctl+0x1a1/0x230\n do_syscall_64+0x3a/0x90\n entry_SYSCALL_64_after_hwframe+0x63/0xcd",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "a1d88436d53a75e950db15834b3d2f8c0c358fdc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b4239bfb260d1e6837766c41a0b241d7670f1402"
            },
            {
              "version": "a1d88436d53a75e950db15834b3d2f8c0c358fdc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d4198f67e7556b1507f14f60d81a72660e5560e4"
            },
            {
              "version": "a1d88436d53a75e950db15834b3d2f8c0c358fdc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a3c89e8c69a58f62451c0a75b77fcab25979b897"
            },
            {
              "version": "a1d88436d53a75e950db15834b3d2f8c0c358fdc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "055891397f530f9b1b22be38d7eca8b08382941f"
            },
            {
              "version": "a1d88436d53a75e950db15834b3d2f8c0c358fdc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "91b8e4f61f8f4594ee65368c8d89e6fdc29d3fb1"
            },
            {
              "version": "a1d88436d53a75e950db15834b3d2f8c0c358fdc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1a726cb47fd204109c767409fa9ca15a96328f14"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.0",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.0"
            },
            {
              "version": "5.4.296",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.240",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.99",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.16",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.2.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.2.*"
            },
            {
              "version": "6.3",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}