{
  "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-2026-23408",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-23408",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-04-01T08:36:37.873Z",
    "updatedAt": "2026-08-05T12:21:29.316Z",
    "importedAt": "2026-10-24T01:58:02.025Z",
    "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": "apparmor: Fix double free of ns_name in aa_replace_profiles()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\napparmor: Fix double free of ns_name in aa_replace_profiles()\n\nif ns_name is NULL after\n1071         error = aa_unpack(udata, &lh, &ns_name);\n\nand if ent->ns_name contains an ns_name in\n1089                 } else if (ent->ns_name) {\n\nthen ns_name is assigned the ent->ns_name\n1095                         ns_name = ent->ns_name;\n\nhowever ent->ns_name is freed at\n1262                 aa_load_ent_free(ent);\n\nand then again when freeing ns_name at\n1270         kfree(ns_name);\n\nFix this by NULLing out ent->ns_name after it is transferred to ns_name\n\n\")",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "145a0ef21c8e944957f58e2c8ffcd8a10f46266a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c6347a2116ecccb8fd9ee4ebc75ae41d1d7ef689"
            },
            {
              "version": "145a0ef21c8e944957f58e2c8ffcd8a10f46266a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c053ae381ce227577567d1ef10090ce7506d7a28"
            },
            {
              "version": "145a0ef21c8e944957f58e2c8ffcd8a10f46266a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "35f4caec1352054b9a61cfdf2bf1898073637aa0"
            },
            {
              "version": "145a0ef21c8e944957f58e2c8ffcd8a10f46266a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "55ef2af7490aaf72f8ffe11ec44c6bcb7eb2162a"
            },
            {
              "version": "145a0ef21c8e944957f58e2c8ffcd8a10f46266a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "86feeccd6b93ed94bd6655f30de80f163f8d5a45"
            },
            {
              "version": "145a0ef21c8e944957f58e2c8ffcd8a10f46266a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7998ab3010d2317643f91828f1853d954ef31387"
            },
            {
              "version": "145a0ef21c8e944957f58e2c8ffcd8a10f46266a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "18b5233e860c294a847ee07869d93c0b8673a54b"
            },
            {
              "version": "145a0ef21c8e944957f58e2c8ffcd8a10f46266a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5df0c44e8f5f619d3beb871207aded7c78414502"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.5",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.5"
            },
            {
              "version": "5.10.253",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.203",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.169",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.130",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.77",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.18",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "6.19.8",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.19.*"
            },
            {
              "version": "7.0",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}