ghsa-6579-jp4w-xm59
Vulnerability from github
Published
2024-05-17 15:31
Modified
2024-12-30 18:30
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details

In the Linux kernel, the following vulnerability has been resolved:

Bluetooth: qca: fix NULL-deref on non-serdev suspend

Qualcomm ROME controllers can be registered from the Bluetooth line discipline and in this case the HCI UART serdev pointer is NULL.

Add the missing sanity check to prevent a NULL-pointer dereference when wakeup() is called for a non-serdev controller during suspend.

Just return true for now to restore the original behaviour and address the crash with pre-6.2 kernels, which do not have commit e9b3e5b8c657 ("Bluetooth: hci_qca: only assign wakeup with serial port support") that causes the crash to happen already at setup() time.

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{
   affected: [],
   aliases: [
      "CVE-2024-35851",
   ],
   database_specific: {
      cwe_ids: [
         "CWE-476",
      ],
      github_reviewed: false,
      github_reviewed_at: null,
      nvd_published_at: "2024-05-17T15:15:21Z",
      severity: "MODERATE",
   },
   details: "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: qca: fix NULL-deref on non-serdev suspend\n\nQualcomm ROME controllers can be registered from the Bluetooth line\ndiscipline and in this case the HCI UART serdev pointer is NULL.\n\nAdd the missing sanity check to prevent a NULL-pointer dereference when\nwakeup() is called for a non-serdev controller during suspend.\n\nJust return true for now to restore the original behaviour and address\nthe crash with pre-6.2 kernels, which do not have commit e9b3e5b8c657\n(\"Bluetooth: hci_qca: only assign wakeup with serial port support\") that\ncauses the crash to happen already at setup() time.",
   id: "GHSA-6579-jp4w-xm59",
   modified: "2024-12-30T18:30:40Z",
   published: "2024-05-17T15:31:12Z",
   references: [
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2024-35851",
      },
      {
         type: "WEB",
         url: "https://git.kernel.org/stable/c/52f9041deaca3fc5c40ef3b9cb943993ec7d2489",
      },
      {
         type: "WEB",
         url: "https://git.kernel.org/stable/c/6b47cdeb786c38e4174319218db3fa6d7b4bba88",
      },
      {
         type: "WEB",
         url: "https://git.kernel.org/stable/c/73e87c0a49fda31d7b589edccf4c72e924411371",
      },
      {
         type: "WEB",
         url: "https://git.kernel.org/stable/c/b64092d2f108f0cd1d7fd7e176f5fb2a67a2f189",
      },
      {
         type: "WEB",
         url: "https://git.kernel.org/stable/c/e60502b907be350c518819297b565007a94c706d",
      },
   ],
   schema_version: "1.4.0",
   severity: [
      {
         score: "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
         type: "CVSS_V3",
      },
   ],
}


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