nvd-json-data-feeds/CVE-2024/CVE-2024-268xx/CVE-2024-26892.json

{
  "id": "CVE-2024-26892",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-04-17T11:15:10.530",
  "lastModified": "2024-04-17T12:48:07.510",
  "vulnStatus": "Awaiting Analysis",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7921e: fix use-after-free in free_irq()\n\nFrom commit a304e1b82808 (\"[PATCH] Debug shared irqs\"), there is a test\nto make sure the shared irq handler should be able to handle the unexpected\nevent after deregistration. For this case, let's apply MT76_REMOVED flag to\nindicate the device was removed and do not run into the resource access\nanymore.\n\nBUG: KASAN: use-after-free in mt7921_irq_handler+0xd8/0x100 [mt7921e]\nRead of size 8 at addr ffff88824a7d3b78 by task rmmod/11115\nCPU: 28 PID: 11115 Comm: rmmod Tainted: G        W    L    5.17.0 #10\nHardware name: Micro-Star International Co., Ltd. MS-7D73/MPG B650I\nEDGE WIFI (MS-7D73), BIOS 1.81 01/05/2024\nCall Trace:\n <TASK>\n dump_stack_lvl+0x6f/0xa0\n print_address_description.constprop.0+0x1f/0x190\n ? mt7921_irq_handler+0xd8/0x100 [mt7921e]\n ? mt7921_irq_handler+0xd8/0x100 [mt7921e]\n kasan_report.cold+0x7f/0x11b\n ? mt7921_irq_handler+0xd8/0x100 [mt7921e]\n mt7921_irq_handler+0xd8/0x100 [mt7921e]\n free_irq+0x627/0xaa0\n devm_free_irq+0x94/0xd0\n ? devm_request_any_context_irq+0x160/0x160\n ? kobject_put+0x18d/0x4a0\n mt7921_pci_remove+0x153/0x190 [mt7921e]\n pci_device_remove+0xa2/0x1d0\n __device_release_driver+0x346/0x6e0\n driver_detach+0x1ef/0x2c0\n bus_remove_driver+0xe7/0x2d0\n ? __check_object_size+0x57/0x310\n pci_unregister_driver+0x26/0x250\n __do_sys_delete_module+0x307/0x510\n ? free_module+0x6a0/0x6a0\n ? fpregs_assert_state_consistent+0x4b/0xb0\n ? rcu_read_lock_sched_held+0x10/0x70\n ? syscall_enter_from_user_mode+0x20/0x70\n ? trace_hardirqs_on+0x1c/0x130\n do_syscall_64+0x5c/0x80\n ? trace_hardirqs_on_prepare+0x72/0x160\n ? do_syscall_64+0x68/0x80\n ? trace_hardirqs_on_prepare+0x72/0x160\n entry_SYSCALL_64_after_hwframe+0x44/0xae"
    }
  ],
  "metrics": {},
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/bfe1adf1606f76c180324e53b130f0e76d5cc6c3",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/bfeaef901194c5923ce3330272786eff2fac513a",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/c7dd42fbebcfb02bef070fd48f774d6412d0b49d",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/c957280ef6ab6bdf559a91ae693a6b34310697e3",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ]
}