{
  "schema_version": "1.4.0",
  "id": "GHSA-3mcm-h8qp-66gm",
  "modified": "2024-06-03T18:55:50Z",
  "published": "2024-05-01T06:31:41Z",
  "aliases": [
    "CVE-2024-26932"
  ],
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: tcpm: fix double-free issue in tcpm_port_unregister_pd()\n\nWhen unregister pd capabilitie in tcpm, KASAN will capture below double\n-free issue. The root cause is the same capabilitiy will be kfreed twice,\nthe first time is kfreed by pd_capabilities_release() and the second time\nis explicitly kfreed by tcpm_port_unregister_pd().\n\n[    3.988059] BUG: KASAN: double-free in tcpm_port_unregister_pd+0x1a4/0x3dc\n[    3.995001] Free of addr ffff0008164d3000 by task kworker/u16:0/10\n[    4.001206]\n[    4.002712] CPU: 2 PID: 10 Comm: kworker/u16:0 Not tainted 6.8.0-rc5-next-20240220-05616-g52728c567a55 #53\n[    4.012402] Hardware name: Freescale i.MX8QXP MEK (DT)\n[    4.017569] Workqueue: events_unbound deferred_probe_work_func\n[    4.023456] Call trace:\n[    4.025920]  dump_backtrace+0x94/0xec\n[    4.029629]  show_stack+0x18/0x24\n[    4.032974]  dump_stack_lvl+0x78/0x90\n[    4.036675]  print_report+0xfc/0x5c0\n[    4.040289]  kasan_report_invalid_free+0xa0/0xc0\n[    4.044937]  __kasan_slab_free+0x124/0x154\n[    4.049072]  kfree+0xb4/0x1e8\n[    4.052069]  tcpm_port_unregister_pd+0x1a4/0x3dc\n[    4.056725]  tcpm_register_port+0x1dd0/0x2558\n[    4.061121]  tcpci_register_port+0x420/0x71c\n[    4.065430]  tcpci_probe+0x118/0x2e0\n\nTo fix the issue, this will remove kree() from tcpm_port_unregister_pd().",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
    }
  ],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-26932"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/242e425ed580b2f4dbcb86c8fc03a410a4084a69"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b63f90487bdf93a4223ce7853d14717e9d452856"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-415"
    ],
    "severity": "HIGH",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-01T06:15:07Z"
  }
}