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    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
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  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68344.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: atm: ueagle-atm: reject descriptors that confuse probe and disconnect\n\nuea_probe() distinguishes a pre-firmware device from a post-firmware one\nusing the USB id (UEA_IS_PREFIRM()), and stores a different object as the\ninterface data in each case: a 'struct completion' for a pre-firmware\ndevice (to be waited on in .disconnect()), or a 'struct usbatm_data' for a\npost-firmware one.\n\nuea_disconnect() instead tells the two apart by the number of interfaces\nof the active configuration (a pre-firmware device exposes a single\ninterface, ADI930 has 2 and eagle has 3), and casts the interface data\naccordingly.\n\nBecause the two handlers use different criteria, a crafted device that\nadvertises a pre-firmware id together with a multi-interface descriptor\n(or a post-firmware id with a single interface) makes them disagree: the\nsmall 'struct completion' stored by uea_probe() is then passed to\nusbatm_usb_disconnect(), which casts it to 'struct usbatm_data' and takes\ninstance-\u003eserialize, reading past the end of the allocation:\n\n  BUG: KASAN: slab-out-of-bounds in __mutex_lock+0x152a/0x1b80\n  Read of size 8 at addr ffff8880470e2c60 by task kworker/1:2/982\n  ...\n   __mutex_lock+0x152a/0x1b80\n   usbatm_usb_disconnect+0x70/0x820\n   uea_disconnect+0x133/0x2c0\n   usb_unbind_interface+0x1dd/0x9e0\n  ...\n  which belongs to the cache kmalloc-96 of size 96\n  The buggy address is located 0 bytes to the right of\n   allocated 96-byte region [ffff8880470e2c00, ffff8880470e2c60)\n\nReject such inconsistent descriptors in uea_probe() so that both handlers\nalways make the same pre/post-firmware decision.",
  "id": "CVE-2026-68344",
  "modified": "2026-08-12T03:51:15.232213326Z",
  "published": "2026-08-10T12:03:20.917Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0cc0c4c14150bb5a16b88dd61368f96cd4caa9ce"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/71132cedd1ecbc4032d76e9928c18a10f7e39b80"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9904a46401198872ab3de34fd11f383831ef3428"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c035b1198906dd5bd3df9a3045b59254bad1ea7a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d0a57f19fe2865b9747484f5f9c631f944ed9a0f"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68344.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-68344"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "usb: atm: ueagle-atm: reject descriptors that confuse probe and disconnect"
}