{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2026-90380",
  "modified": "2026-10-07T14:35:31Z",
  "upstream": [
    "CVE-2026-90380"
  ],
  "published": "2026-09-17T16:10:40Z",
  "summary": "wifi: mt76: mt792x: fix use-after-free in mt76_rx_poll_complete",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt792x: fix use-after-free in mt76_rx_poll_complete\n\nA use-after-free issue occurs in mt76_rx_poll_complete due to a race\ncondition. The STA has already been removed, but the rx_status still\nhad a pointer to the wcid in the STA.\n\nSet the links' wcid pointers to be NULL for a MLD in\nmt7925_sta_pre_rcu_remove()\n\nBUG: KASAN: invalid-access in mt76_rx_poll_complete+0x280/0x470\nCall trace:\ndump_backtrace+0xec/0x128\nshow_stack+0x18/0x28\ndump_stack_lvl+0x40/0xc8\nprint_report+0x1b8/0x710\nkasan_report+0xe0/0x144\ndo_bad_area+0x120/0x260\ndo_tag_check_fault+0x20/0x34\ndo_mem_abort+0x54/0xa8\nel1_abort+0x3c/0x5c\nel1h_64_sync_handler+0x40/0xcc\nel1h_64_sync+0x7c/0x80\nmt76_rx_poll_complete+0x280/0x470\nmt76_dma_rx_poll+0x114/0x51c\nmt792x_poll_rx+0x60/0xf8\nnapi_threaded_poll_loop+0xe0/0x450\nnapi_threaded_poll+0x80/0x9c\nkthread+0x11c/0x158\nret_from_fork+0x10/0x20",
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  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-90380"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/aaf414bf81ab4b680580871784b0b929818188eb"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/b250943f3f8351385a17972bda001664a5c51008"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/217f9e7bb02558759be9d9ecfe532e9708741c50"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-09-18T17:55:42Z"
  }
}