{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2024-27000",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2024-27000"
  ],
  "published": "2024-05-01T05:31:05Z",
  "summary": "serial: mxs-auart: add spinlock around changing cts state",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nserial: mxs-auart: add spinlock around changing cts state\n\nThe uart_handle_cts_change() function in serial_core expects the caller\nto hold uport->lock. For example, I have seen the below kernel splat,\nwhen the Bluetooth driver is loaded on an i.MX28 board.\n\n    [   85.119255] ------------[ cut here ]------------\n    [   85.124413] WARNING: CPU: 0 PID: 27 at /drivers/tty/serial/serial_core.c:3453 uart_handle_cts_change+0xb4/0xec\n    [   85.134694] Modules linked in: hci_uart bluetooth ecdh_generic ecc wlcore_sdio configfs\n    [   85.143314] CPU: 0 PID: 27 Comm: kworker/u3:0 Not tainted 6.6.3-00021-gd62a2f068f92 #1\n    [   85.151396] Hardware name: Freescale MXS (Device Tree)\n    [   85.156679] Workqueue: hci0 hci_power_on [bluetooth]\n    (...)\n    [   85.191765]  uart_handle_cts_change from mxs_auart_irq_handle+0x380/0x3f4\n    [   85.198787]  mxs_auart_irq_handle from __handle_irq_event_percpu+0x88/0x210\n    (...)",
  "affected": [
    {
      "package": {
        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
      },
      "versions": [
        "1:6.1.47-1+rpt4"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-2712",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v6",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7l",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v8",
            "binary_version": "1:6.1.47-1+rpt4"
          }
        ]
      },
      "database_specific": {
        "per_version": {
          "1:6.1.47-1+rpt4": {
            "linux_commit": "655fc658a15ae7a6f37103754adb39ba52a9a14e",
            "upstream_version": "6.1.47",
            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.1.88",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-27000"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/56434e295bd446142025913bfdf1587f5e1970ad"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/21535ef0ac1945080198fe3e4347ea498205c99a"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/0dc0637e6b16158af85945425821bfd0151adb37"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/479244d68f5d94f3903eced52b093c1e01ddb495"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/2c9b943e9924cf1269e44289bc5e60e51b0f5270"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/5f40fd6ca2cf0bfbc5a5c9e403dfce8ca899ba37"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/94b0e65c75f4af888ab2dd6c90f060f762924e86"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/54c4ec5f8c471b7c1137a1f769648549c423c026"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-05-12T04:54:46Z"
  }
}