{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2024-53088",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2024-53088"
  ],
  "published": "2024-11-19T17:45:17Z",
  "summary": "i40e: fix race condition by adding filter's intermediate sync state",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ni40e: fix race condition by adding filter's intermediate sync state\n\nFix a race condition in the i40e driver that leads to MAC/VLAN filters\nbecoming corrupted and leaking. Address the issue that occurs under\nheavy load when multiple threads are concurrently modifying MAC/VLAN\nfilters by setting mac and port VLAN.\n\n1. Thread T0 allocates a filter in i40e_add_filter() within\n        i40e_ndo_set_vf_port_vlan().\n2. Thread T1 concurrently frees the filter in __i40e_del_filter() within\n        i40e_ndo_set_vf_mac().\n3. Subsequently, i40e_service_task() calls i40e_sync_vsi_filters(), which\n        refers to the already freed filter memory, causing corruption.\n\nReproduction steps:\n1. Spawn multiple VFs.\n2. Apply a concurrent heavy load by running parallel operations to change\n        MAC addresses on the VFs and change port VLANs on the host.\n3. Observe errors in dmesg:\n\"Error I40E_AQ_RC_ENOSPC adding RX filters on VF XX,\n\tplease set promiscuous on manually for VF XX\".\n\nExact code for stable reproduction Intel can't open-source now.\n\nThe fix involves implementing a new intermediate filter state,\nI40E_FILTER_NEW_SYNC, for the time when a filter is on a tmp_add_list.\nThese filters cannot be deleted from the hash list directly but\nmust be removed using the full process.",
  "affected": [
    {
      "package": {
        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
      },
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        "1:6.6.31-1+rpt1",
        "1:6.6.47-1+rpt1",
        "1:6.6.51-1+rpt1",
        "1:6.6.51-1+rpt2",
        "1:6.6.51-1+rpt3"
      ],
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  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-53088"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/262dc6ea5f1eb18c4d08ad83d51222d0dd0dd42a"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/7ad3fb3bfd43feb4e15c81dffd23ac4e55742791"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/bf5f837d9fd27d32fb76df0a108babcaf4446ff1"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/6e046f4937474bc1b9fa980c1ad8f3253fc638f6"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/f30490e9695ef7da3d0899c6a0293cc7cd373567"
    }
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  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-08-05T11:52:36Z"
  }
}