{
  "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-2026-46164",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-46164",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-05-28T09:36:19.810Z",
    "updatedAt": "2026-08-05T12:30:08.949Z",
    "importedAt": "2026-10-24T01:58:14.884Z",
    "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": "btrfs: fix double free in create_space_info_sub_group() error path",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: fix double free in create_space_info_sub_group() error path\n\nWhen kobject_init_and_add() fails, the call chain is:\n\ncreate_space_info_sub_group()\n-> btrfs_sysfs_add_space_info_type()\n-> kobject_init_and_add()\n-> failure\n-> kobject_put(&sub_group->kobj)\n-> space_info_release()\n-> kfree(sub_group)\n\nThen control returns to create_space_info_sub_group(), where:\n\nbtrfs_sysfs_add_space_info_type() returns error\n-> kfree(sub_group)\n\nThus, sub_group is freed twice.\n\nKeep parent->sub_group[index] = NULL for the failure path, but after\nbtrfs_sysfs_add_space_info_type() has called kobject_put(), let the\nkobject release callback handle the cleanup.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "64c7ddda83acfbaa0efb381a1928ce908c584607",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c2d59527cba6d59f0d77a75c1101ab4e69758bea"
            },
            {
              "version": "0bd151ce4200ca847990e05cca29a76456982ca5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d2a675f2e238ec96c8e91e2718c1f910c9c8fb21"
            },
            {
              "version": "190d5a7c4fe42b8c9aa46e3336389e7cb10395bb",
              "status": "affected",
              "versionType": "git",
              "lessThan": "14b22be1dd844383eb03af9b1ee3b6b25d32aeaf"
            },
            {
              "version": "f92ee31e031c7819126d2febdda0c3e91f5d2eb9",
              "status": "affected",
              "versionType": "git",
              "lessThan": "dfd05a16b5c9d1d98b47905f37f2fccda52173d1"
            },
            {
              "version": "f92ee31e031c7819126d2febdda0c3e91f5d2eb9",
              "status": "affected",
              "versionType": "git",
              "lessThan": "259af6857a1b4f1e9ef8b780353f9d11c26a22bd"
            },
            {
              "version": "f92ee31e031c7819126d2febdda0c3e91f5d2eb9",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a7449edf96143f192606ec8647e3167e1ecbd728"
            },
            {
              "version": "6.1.162",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.1.176"
            },
            {
              "version": "6.6.122",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.6.141"
            },
            {
              "version": "6.12.67",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.12.90"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.16",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.16"
            },
            {
              "version": "6.1.176",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.141",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.90",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.32",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.0.7",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.0.*"
            },
            {
              "version": "7.1",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}