{
  "cveId": "CVE-2024-36315",
  "url": "https://patchblox.com/security/cve/CVE-2024-36315",
  "summary": "CVE-2024-36315 is fixed in amd64-microcode on 1 platform, first by amd64-microcode 3.20251202.1ubuntu0.25.10.1, released January 16, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "amd64-microcode: Improper enforcement of the LFENCE serialization property may allow an attacker to bypass speculation barriers and po...",
  "description": "Improper enforcement of the LFENCE serialization property may allow an attacker to bypass speculation barriers and potentially disclose sensitive information, potentially resulting in loss of confidentiality.",
  "published": "2026-05-12T21:16:00Z",
  "severity": "Medium",
  "epss": 0.00135,
  "epssPercentile": 0.03006,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "amd64-microcode",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "3.20251202.1ubuntu0.24.04.1",
      "fix": "amd64-microcode 3.20251202.1ubuntu0.24.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-amd64-microcode-3.20251202.1ubuntu0.24.04.1",
      "released": "2026-05-12T21:16:00Z"
    },
    {
      "platform": "linux",
      "product": "amd64-microcode",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "3.20251202.1ubuntu0.25.10.1",
      "fix": "amd64-microcode 3.20251202.1ubuntu0.25.10.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-amd64-microcode-3.20251202.1ubuntu0.25.10.1",
      "released": "2026-01-16T01:42:25Z"
    },
    {
      "platform": "linux",
      "product": "amd64-microcode",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "3.20251202.1ubuntu1",
      "fix": "amd64-microcode 3.20251202.1ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-amd64-microcode-3.20251202.1ubuntu1",
      "released": "2026-05-12T21:16:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T13:31:49Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}