cve-2024-26892
Vulnerability from cvelistv5
Published
2024-04-17 10:27
Modified
2024-09-11 17:33
Severity
Summary
wifi: mt76: mt7921e: fix use-after-free in free_irq()
References
SourceURLTags
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bfe1adf1606f76c180324e53b130f0e76d5cc6c3
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bfeaef901194c5923ce3330272786eff2fac513a
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c7dd42fbebcfb02bef070fd48f774d6412d0b49d
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c957280ef6ab6bdf559a91ae693a6b34310697e3
Impacted products
VendorProduct
LinuxLinux
LinuxLinux
Show details on NVD website

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          "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\u0027s 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 \u003cTASK\u003e\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"
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    "nvd": "{\"cve\":{\"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\u0027s 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 \u003cTASK\u003e\\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\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: wifi: mt76: mt7921e: fix use-after-free en free_irq() Desde el commit a304e1b82808 (\\\"[PATCH] Depurar irqs compartidas\\\"), existe una prueba para asegurarse de que El controlador de irq compartido deber\u00eda poder manejar el evento inesperado despu\u00e9s de la cancelaci\u00f3n del registro. Para este caso, apliquemos el indicador MT76_REMOVED para indicar que el dispositivo fue eliminado y no volver a acceder al recurso. ERROR: KASAN: use-after-free en mt7921_irq_handler+0xd8/0x100 [mt7921e] Lectura de tama\u00f1o 8 en la direcci\u00f3n ffff88824a7d3b78 por tarea rmmod/11115 CPU: 28 PID: 11115 Comm: rmmod Tainted: GWL 5.17.0 #10 Nombre de hardware: Micro-Star International Co., Ltd. MS-7D73/MPG B650I EDGE WIFI (MS-7D73), BIOS 1.81 05/01/2024 Seguimiento de llamadas:  dump_stack_lvl+0x6f/0xa0 print_address_description.constprop.0+0x1f/0x190 ? mt7921_irq_handler+0xd8/0x100 [mt7921e] ? mt7921_irq_handler+0xd8/0x100 [mt7921e] kasan_report.cold+0x7f/0x11b ? mt7921_irq_handler+0xd8/0x100 [mt7921e] mt7921_irq_handler+0xd8/0x100 [mt7921e] free_irq+0x627/0xaa0 devm_free_irq+0x94/0xd0 ? devm_request_any_context_irq+0x160/0x160? kobject_put+0x18d/0x4a0 mt7921_pci_remove+0x153/0x190 [mt7921e] pci_device_remove+0xa2/0x1d0 __device_release_driver+0x346/0x6e0 driver_detach+0x1ef/0x2c0 bus_remove_driver+0xe7/0x2d 0 ? __check_object_size+0x57/0x310 pci_unregister_driver+0x26/0x250 __do_sys_delete_module+0x307/0x510 ? m\u00f3dulo_libre+0x6a0/0x6a0? fpregs_assert_state_consistent+0x4b/0xb0? rcu_read_lock_sched_held+0x10/0x70? syscall_enter_from_user_mode+0x20/0x70? trace_hardirqs_on+0x1c/0x130 do_syscall_64+0x5c/0x80? trace_hardirqs_on_prepare+0x72/0x160? do_syscall_64+0x68/0x80? trace_hardirqs_on_prepare+0x72/0x160 entrada_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\"}]}}"
  }
}


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