CVE-2024-27000 (GCVE-0-2024-27000)

Vulnerability from cvelistv5 – Published: 2024-05-01 05:28 – Updated: 2026-05-11 20:08
VLAI
Title
serial: mxs-auart: add spinlock around changing cts state
Summary
In the Linux kernel, the following vulnerability has been resolved: serial: mxs-auart: add spinlock around changing cts state The uart_handle_cts_change() function in serial_core expects the caller to hold uport->lock. For example, I have seen the below kernel splat, when the Bluetooth driver is loaded on an i.MX28 board. [ 85.119255] ------------[ cut here ]------------ [ 85.124413] WARNING: CPU: 0 PID: 27 at /drivers/tty/serial/serial_core.c:3453 uart_handle_cts_change+0xb4/0xec [ 85.134694] Modules linked in: hci_uart bluetooth ecdh_generic ecc wlcore_sdio configfs [ 85.143314] CPU: 0 PID: 27 Comm: kworker/u3:0 Not tainted 6.6.3-00021-gd62a2f068f92 #1 [ 85.151396] Hardware name: Freescale MXS (Device Tree) [ 85.156679] Workqueue: hci0 hci_power_on [bluetooth] (...) [ 85.191765] uart_handle_cts_change from mxs_auart_irq_handle+0x380/0x3f4 [ 85.198787] mxs_auart_irq_handle from __handle_irq_event_percpu+0x88/0x210 (...)
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-05-28 17:46 UTC
Assigner
Linux CNA under the mitre root
CNA scorecard D 53/100 over 7033 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 4d90bb147ef6b91f529a21b498ff2b5fdc6785b4 , < 56434e295bd446142025913bfdf1587f5e1970ad (git)
Affected: 4d90bb147ef6b91f529a21b498ff2b5fdc6785b4 , < 21535ef0ac1945080198fe3e4347ea498205c99a (git)
Affected: 4d90bb147ef6b91f529a21b498ff2b5fdc6785b4 , < 0dc0637e6b16158af85945425821bfd0151adb37 (git)
Affected: 4d90bb147ef6b91f529a21b498ff2b5fdc6785b4 , < 479244d68f5d94f3903eced52b093c1e01ddb495 (git)
Affected: 4d90bb147ef6b91f529a21b498ff2b5fdc6785b4 , < 2c9b943e9924cf1269e44289bc5e60e51b0f5270 (git)
Affected: 4d90bb147ef6b91f529a21b498ff2b5fdc6785b4 , < 5f40fd6ca2cf0bfbc5a5c9e403dfce8ca899ba37 (git)
Affected: 4d90bb147ef6b91f529a21b498ff2b5fdc6785b4 , < 94b0e65c75f4af888ab2dd6c90f060f762924e86 (git)
Affected: 4d90bb147ef6b91f529a21b498ff2b5fdc6785b4 , < 54c4ec5f8c471b7c1137a1f769648549c423c026 (git)
guessed Create a notification for this product.
Linux Linux Affected: 3.18
Unaffected: 0 , < 3.18 (semver)
Unaffected: 4.19.313 , ≤ 4.19.* (semver)
Unaffected: 5.4.275 , ≤ 5.4.* (semver)
Unaffected: 5.10.216 , ≤ 5.10.* (semver)
Unaffected: 5.15.158 , ≤ 5.15.* (semver)
Unaffected: 6.1.88 , ≤ 6.1.* (semver)
Unaffected: 6.6.29 , ≤ 6.6.* (semver)
Unaffected: 6.8.8 , ≤ 6.8.* (semver)
Unaffected: 6.9 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.10.216",
                      "versionStartIncluding": "3.18",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.15.158",
                      "versionStartIncluding": "3.18",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.1.88",
                      "versionStartIncluding": "3.18",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.6.29",
                      "versionStartIncluding": "3.18",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.8.8",
                      "versionStartIncluding": "3.18",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.9",
                      "versionStartIncluding": "3.18",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "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-\u003elock. 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    (...)"
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2025-05-04T09:01:51.767Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
            {
              "url": "https://git.kernel.org/stable/c/56434e295bd446142025913bfdf1587f5e1970ad"
            },
            {
              "url": "https://git.kernel.org/stable/c/21535ef0ac1945080198fe3e4347ea498205c99a"
            },
            {
              "url": "https://git.kernel.org/stable/c/0dc0637e6b16158af85945425821bfd0151adb37"
            },
            {
              "url": "https://git.kernel.org/stable/c/479244d68f5d94f3903eced52b093c1e01ddb495"
            },
            {
              "url": "https://git.kernel.org/stable/c/2c9b943e9924cf1269e44289bc5e60e51b0f5270"
            },
            {
              "url": "https://git.kernel.org/stable/c/5f40fd6ca2cf0bfbc5a5c9e403dfce8ca899ba37"
            },
            {
              "url": "https://git.kernel.org/stable/c/94b0e65c75f4af888ab2dd6c90f060f762924e86"
            },
            {
              "url": "https://git.kernel.org/stable/c/54c4ec5f8c471b7c1137a1f769648549c423c026"
            }
          ],
          "title": "serial: mxs-auart: add spinlock around changing cts state",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2024-27000",
        "datePublished": "2024-05-01T05:28:35.749Z",
        "dateReserved": "2024-02-19T14:20:24.207Z",
        "dateUpdated": "2025-11-04T17:16:13.339Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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