{
  "cveId": "CVE-2023-34320",
  "url": "https://patchblox.com/security/cve/CVE-2023-34320",
  "summary": "CVE-2023-34320 is fixed in xen on 1 platform, first by DEBIAN-CVE-2023-34320, released December 8, 2023. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "xen: Cortex-A77 cores (r0p0 and r1p0) are affected by erratum 1508412 where software, under certain circumstances, could d...",
  "description": "Cortex-A77 cores (r0p0 and r1p0) are affected by erratum 1508412 where software, under certain circumstances, could deadlock a core due to the execution of either a load to device or non-cacheable memory, and either a store exclusive or register read of the Physical Address Register (PAR_EL1) in close proximity.",
  "published": "2023-12-08T21:15:07Z",
  "severity": "medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00237,
  "epssPercentile": 0.14759,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "xen",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "4.17.2\u002B76-ge1f9cb16e2-1~deb12u1",
      "fix": "DEBIAN-CVE-2023-34320",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-34320",
      "released": "2023-12-08T21:15:07Z"
    },
    {
      "platform": "linux",
      "product": "xen",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "4.17.2-1",
      "fix": "DEBIAN-CVE-2023-34320",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-34320",
      "released": "2023-12-08T21:15:07Z"
    },
    {
      "platform": "linux",
      "product": "xen",
      "release": "Debian 14",
      "fixedVersion": "4.17.2-1",
      "fix": "DEBIAN-CVE-2023-34320",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-34320",
      "released": "2023-12-08T21:15:07Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}