{
  "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-2026-53121",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-53121",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-06-24T16:30:51.294Z",
    "updatedAt": "2026-06-24T16:30:51.294Z",
    "importedAt": "2026-10-24T01:58:20.586Z",
    "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": "amd-pstate: Fix memory leak in amd_pstate_epp_cpu_init()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\namd-pstate: Fix memory leak in amd_pstate_epp_cpu_init()\n\nOn failure to set the epp, the function amd_pstate_epp_cpu_init()\nreturns with an error code without freeing the cpudata object that was\nallocated at the beginning of the function.\n\nEnsure that the cpudata object is freed before returning from the\nfunction.\n\nThis memory leak was discovered by Claude Opus 4.6 with the aid of\nChris Mason's AI review-prompts\n(https://github.com/masoncl/review-prompts/tree/main/kernel).",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "f9a378ff6443cdcd4387e5dbb76fa5fa549a83ec",
              "status": "affected",
              "versionType": "git",
              "lessThan": "539aabbab190825c77eb455ec35652cb3720625f"
            },
            {
              "version": "f9a378ff6443cdcd4387e5dbb76fa5fa549a83ec",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7f9aa2359742eaa6ea65ec0d20dafdfd0add9b8b"
            },
            {
              "version": "f9a378ff6443cdcd4387e5dbb76fa5fa549a83ec",
              "status": "affected",
              "versionType": "git",
              "lessThan": "beda3b363546a423e4e29a7395e04c0ac4ff677e"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.14",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.14"
            },
            {
              "version": "6.18.33",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.0.10",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.0.*"
            },
            {
              "version": "7.1",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}