{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2024-57899",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2024-57899"
  ],
  "published": "2025-01-15T13:07:18Z",
  "summary": "wifi: mac80211: fix mbss changed flags corruption on 32 bit systems",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: fix mbss changed flags corruption on 32 bit systems\n\nOn 32-bit systems, the size of an unsigned long is 4 bytes,\nwhile a u64 is 8 bytes. Therefore, when using\nor_each_set_bit(bit, &bits, sizeof(changed) * BITS_PER_BYTE),\nthe code is incorrectly searching for a bit in a 32-bit\nvariable that is expected to be 64 bits in size,\nleading to incorrect bit finding.\n\nSolution: Ensure that the size of the bits variable is correctly\nadjusted for each architecture.\n\n Call Trace:\n  ? show_regs+0x54/0x58\n  ? __warn+0x6b/0xd4\n  ? ieee80211_link_info_change_notify+0xcc/0xd4 [mac80211]\n  ? report_bug+0x113/0x150\n  ? exc_overflow+0x30/0x30\n  ? handle_bug+0x27/0x44\n  ? exc_invalid_op+0x18/0x50\n  ? handle_exception+0xf6/0xf6\n  ? exc_overflow+0x30/0x30\n  ? ieee80211_link_info_change_notify+0xcc/0xd4 [mac80211]\n  ? exc_overflow+0x30/0x30\n  ? ieee80211_link_info_change_notify+0xcc/0xd4 [mac80211]\n  ? ieee80211_mesh_work+0xff/0x260 [mac80211]\n  ? cfg80211_wiphy_work+0x72/0x98 [cfg80211]\n  ? process_one_work+0xf1/0x1fc\n  ? worker_thread+0x2c0/0x3b4\n  ? kthread+0xc7/0xf0\n  ? mod_delayed_work_on+0x4c/0x4c\n  ? kthread_complete_and_exit+0x14/0x14\n  ? ret_from_fork+0x24/0x38\n  ? kthread_complete_and_exit+0x14/0x14\n  ? ret_from_fork_asm+0xf/0x14\n  ? entry_INT80_32+0xf0/0xf0\n\n[restore no-op path for no changes]",
  "affected": [
    {
      "package": {
        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
      },
      "versions": [
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        "1:6.6.28-1+rpt1",
        "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",
        "1:6.6.62-1+rpt1"
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      "ecosystem_specific": {
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  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-57899"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/86772872f9f5097cd03d0e1c6813238bd38c250b"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/36b739637d7042843f9df57212ecee6ed6e0d4b2"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/49dba1ded8dd5a6a12748631403240b2ab245c34"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-08-05T11:52:36Z"
  }
}