nvd-json-data-feeds/CVE-2024/CVE-2024-360xx/CVE-2024-36012.json

{
  "id": "CVE-2024-36012",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-05-23T07:15:08.900",
  "lastModified": "2024-05-24T01:15:30.977",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: msft: fix slab-use-after-free in msft_do_close()\n\nTying the msft->data lifetime to hdev by freeing it in\nhci_release_dev() to fix the following case:\n\n[use]\nmsft_do_close()\n  msft = hdev->msft_data;\n  if (!msft)                      ...(1) <- passed.\n    return;\n  mutex_lock(&msft->filter_lock); ...(4) <- used after freed.\n\n[free]\nmsft_unregister()\n  msft = hdev->msft_data;\n  hdev->msft_data = NULL;         ...(2)\n  kfree(msft);                    ...(3) <- msft is freed.\n\n==================================================================\nBUG: KASAN: slab-use-after-free in __mutex_lock_common\nkernel/locking/mutex.c:587 [inline]\nBUG: KASAN: slab-use-after-free in __mutex_lock+0x8f/0xc30\nkernel/locking/mutex.c:752\nRead of size 8 at addr ffff888106cbbca8 by task kworker/u5:2/309"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: Bluetooth: msft: corrija slab-use-after-free en msft_do_close() Vinculando la vida \u00fatil de msft-&gt;data a hdev liber\u00e1ndolo en hci_release_dev() para solucionar el siguiente caso: [usar] msft_do_close() msft = hdev-&gt;msft_data; if (!msft) ...(1) &lt;- aprobado. devolver; mutex_lock(&amp;msft-&gt;filter_lock); ...(4) &lt;- usado despu\u00e9s de liberado. [gratis] msft_unregister() msft = hdev-&gt;msft_data; hdev-&gt;msft_data = NULL; ...(2) klibre(msft); ...(3) &lt;- se libera msft. ==================================================== ================ ERROR: KASAN: slab-use-after-free en __mutex_lock_common kernel/locking/mutex.c:587 [en l\u00ednea] ERROR: KASAN: slab-use-after -free en __mutex_lock+0x8f/0xc30 kernel/locking/mutex.c:752 Lectura de tama\u00f1o 8 en addr ffff888106cbbca8 por tarea kworker/u5:2/309"
    }
  ],
  "metrics": {},
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/10f9f426ac6e752c8d87bf4346930ba347aaabac",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/4f1de02de07748da80a8178879bc7a1df37fdf56",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/a85a60e62355e3bf4802dead7938966824b23940",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/e3880b531b68f98d3941d83f2f6dd11cf4fd6b76",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ]
}