{
  "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-2026-23156",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-23156",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-02-14T16:01:23.215Z",
    "updatedAt": "2026-05-11T22:01:17.796Z",
    "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": "efivarfs: fix error propagation in efivar_entry_get()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nefivarfs: fix error propagation in efivar_entry_get()\n\nefivar_entry_get() always returns success even if the underlying\n__efivar_entry_get() fails, masking errors.\n\nThis may result in uninitialized heap memory being copied to userspace\nin the efivarfs_file_read() path.\n\nFix it by returning the error from __efivar_entry_get().",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "2d82e6227ea189c0589e7383a36616ac2a2d248c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3960f1754664661a970dc9ebbab44ff93a0b4c42"
            },
            {
              "version": "2d82e6227ea189c0589e7383a36616ac2a2d248c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "510a16f1c5c1690b33504052bc13fbc2772c23f8"
            },
            {
              "version": "2d82e6227ea189c0589e7383a36616ac2a2d248c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "89b8ca709eeeabcc11ebba64806677873a2787a8"
            },
            {
              "version": "2d82e6227ea189c0589e7383a36616ac2a2d248c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e4e15a0a4403c96d9898d8398f0640421df9cb16"
            },
            {
              "version": "2d82e6227ea189c0589e7383a36616ac2a2d248c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4b22ec1685ce1fc0d862dcda3225d852fb107995"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.0",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.0"
            },
            {
              "version": "6.1.162",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.123",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.69",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.9",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "6.19",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}