{
  "cveId": "CVE-2024-40917",
  "url": "https://patchblox.com/security/cve/CVE-2024-40917",
  "summary": "CVE-2024-40917 is fixed in linux on 1 platform, first by DEBIAN-CVE-2024-40917, released July 12, 2024. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  memblock: make memblock_set_node() also warn abo...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  memblock: make memblock_set_node() also warn about use of MAX_NUMNODES  On an (old) x86 system with SRAT just covering space above 4Gb:      ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0xfffffffff] hotplug  the commit referenced below leads to this NUMA configuration no longer being refused by a CONFIG_NUMA=y kernel (previously      NUMA: nodes only cover 6144MB of your 8185MB e820 RAM. Not used.     No NUMA configuration found     Faking a node at [mem 0x0000000000000000-0x000000027fffffff]  was seen in the log directly after the message quoted above), because of memblock_validate_numa_coverage() checking for NUMA_NO_NODE (only). This in turn led to memblock_alloc_range_nid()\u0027s warning about MAX_NUMNODES triggering, followed by a NULL deref in memmap_init() when trying to access node 64\u0027s (NODE_SHIFT=6) node data.  To compensate said change, make memblock_set_node() warn on and adjust a passed in value of MAX_NUMNODES, just like various other functions already do.",
  "published": "2024-07-12T13:15:14Z",
  "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": 0.00264,
  "epssPercentile": 0.18431,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.9.7-1",
      "fix": "DEBIAN-CVE-2024-40917",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2024-40917",
      "released": "2024-07-12T13:15:14Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.9.7-1",
      "fix": "DEBIAN-CVE-2024-40917",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2024-40917",
      "released": "2024-07-12T13:15:14Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}