{
  "fix": "OPENSUSE-SU-2025:20163-1",
  "url": "https://patchblox.com/security/fix/linux/opensuse-su-2025-20163-1",
  "summary": "OPENSUSE-SU-2025:20163-1, released December 15, 2025, fixes 7 CVEs in grub2 (version 2.12-160000.3.1). None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "grub2 security update",
  "released": "2025-12-15T12:52:50Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2025-61662, high severity",
  "supported": true,
  "cveCount": 7,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00405,
  "maxCvss": 7.8,
  "vendorAdvisory": "https://osv.dev/vulnerability/openSUSE-SU-2025:20163-1",
  "appliesTo": [
    {
      "product": "grub2",
      "productUrl": "https://patchblox.com/security/product/linux/grub2",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "2.12-160000.3.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2025-61662",
      "url": "https://patchblox.com/security/cve/CVE-2025-61662",
      "title": "Grub2: missing unregister call for gettext command may lead to use-after-free",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.00219,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-56738",
      "url": "https://patchblox.com/security/cve/CVE-2024-56738",
      "title": "GNU GRUB (aka GRUB2) through 2.12 does not use a constant-time algorithm for grub_crypto_memcmp and thus allows side-channel attacks.",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.7,
      "epss": 0.00405,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-61661",
      "url": "https://patchblox.com/security/cve/CVE-2025-61661",
      "title": "Grub2: grub2: out-of-bounds write via malicious usb device",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 4.8,
      "epss": 0.00208,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-54770",
      "url": "https://patchblox.com/security/cve/CVE-2025-54770",
      "title": "Grub2: use-after-free in net_set_vlan",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 4.9,
      "epss": 0.00158,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-54771",
      "url": "https://patchblox.com/security/cve/CVE-2025-54771",
      "title": "Grub2: use-after-free in grub_file_close()",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 4.9,
      "epss": 0.00152,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-61664",
      "url": "https://patchblox.com/security/cve/CVE-2025-61664",
      "title": "Grub2: missing unregister call for normal_exit command may lead to use-after-free",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 4.9,
      "epss": 0.0015,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-61663",
      "url": "https://patchblox.com/security/cve/CVE-2025-61663",
      "title": "Grub2: missing unregister call for normal commands may lead to use-after-free",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 4.9,
      "epss": 0.00139,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-10T01:44:33Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}