{
  "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-2026-72013",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-72013",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-08-15T05:51:41.982Z",
    "updatedAt": "2026-08-17T05:06:35.378Z",
    "importedAt": "2026-10-24T01:58:25.636Z",
    "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": "riscv: Prevent NULL pointer dereference in machine_kexec_prepare()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nriscv: Prevent NULL pointer dereference in machine_kexec_prepare()\n\nA NULL pointer dereference issue is noticed in riscv's\nmachine_kexec_prepare(), where image->segment[i].buf might be NULL and\ncopied unchecked.\n\nThe NULL buf comes from ima_add_kexec_buffer(), where kbuf is added by\nkexec_add_buffer(), but kbuf.buffer is NULL, then it is copied without\na check in machine_kexec_prepare():\n\n  kexec_file_load\n    -> kimage_file_alloc_init()\n       -> kimage_file_prepare_segments()\n          -> ima_add_kexec_buffer()\n             -> kexec_add_buffer()\n    -> machine_kexec_prepare()\n       -> memcpy()\n\nAddress this by adding a check before the data copy attempt.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "4211742f0f9e083188f4f0ada00d6eeeef31b7c7",
              "status": "affected",
              "versionType": "git",
              "lessThan": "606cc45e871e34b80a2f63874f069387a5b44176"
            },
            {
              "version": "b7fb4d78a6ade6026d9e5cf438c2a46ab962e032",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c462e15497dc40abe369b3be7a2c91ac5d1be6f9"
            },
            {
              "version": "b7fb4d78a6ade6026d9e5cf438c2a46ab962e032",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b5f92cc4e24a298bf390b0b189a4b888c0900161"
            },
            {
              "version": "b7fb4d78a6ade6026d9e5cf438c2a46ab962e032",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6ad6954492697681ebcfc1beb0eb384406cd4b65"
            },
            {
              "version": "b7fb4d78a6ade6026d9e5cf438c2a46ab962e032",
              "status": "affected",
              "versionType": "git",
              "lessThan": "eadd0c2c76aee6a738f17f251434c77db3c606c8"
            },
            {
              "version": "b7fb4d78a6ade6026d9e5cf438c2a46ab962e032",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d5b2752a17efc165793ae38f2c24b5ed9c04ffde"
            },
            {
              "version": "b7fb4d78a6ade6026d9e5cf438c2a46ab962e032",
              "status": "affected",
              "versionType": "git",
              "lessThan": "81bbcff0c053c4f5c711c31a9b72fc492bd96c3f"
            },
            {
              "version": "3ca8a07f141fd8eec347a82bdfa4b94164f2bb97",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "3ba83e46b591381e718007f55c9f831fd0cd7ee8",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "5.15.47",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.15.212"
            },
            {
              "version": "5.17.15",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.18"
            },
            {
              "version": "5.18.4",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.19"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.19",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.19"
            },
            {
              "version": "5.15.212",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.178",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.145",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.97",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.40",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.1.5",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.1.*"
            },
            {
              "version": "7.2",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}