{
  "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-2025-21950",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-21950",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-04-01T15:41:10.949Z",
    "updatedAt": "2026-05-11T21:09:40.823Z",
    "importedAt": "2026-10-24T01:57:29.455Z",
    "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": "drivers: virt: acrn: hsm: Use kzalloc to avoid info leak in pmcmd_ioctl",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrivers: virt: acrn: hsm: Use kzalloc to avoid info leak in pmcmd_ioctl\n\nIn the \"pmcmd_ioctl\" function, three memory objects allocated by\nkmalloc are initialized by \"hcall_get_cpu_state\", which are then\ncopied to user space. The initializer is indeed implemented in\n\"acrn_hypercall2\" (arch/x86/include/asm/acrn.h). There is a risk of\ninformation leakage due to uninitialized bytes.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "3d679d5aec648f50e645702929890b9611998a0b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4e15cf870d2c748e45d45ffc4d5b1dc1b7d50120"
            },
            {
              "version": "3d679d5aec648f50e645702929890b9611998a0b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "524f29d78c9bdeb49f31f5b0376a07d2fc5cf563"
            },
            {
              "version": "3d679d5aec648f50e645702929890b9611998a0b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d7e5031fe3f161c8eb5e84db1540bc4373ed861b"
            },
            {
              "version": "3d679d5aec648f50e645702929890b9611998a0b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1b8f7a2caa7f9cdfd135e3f78eb9d7e36fb95083"
            },
            {
              "version": "3d679d5aec648f50e645702929890b9611998a0b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a4c21b878f0e237f45209a324c903ea7fb05247d"
            },
            {
              "version": "3d679d5aec648f50e645702929890b9611998a0b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "819cec1dc47cdeac8f5dd6ba81c1dbee2a68c3bb"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.12",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.12"
            },
            {
              "version": "5.15.179",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.131",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.83",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.19",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.13.7",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.13.*"
            },
            {
              "version": "6.14",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}