Vulnerabilidad en kernel de Linux (CVE-2022-49525)
Gravedad:
Pendiente de análisis
Tipo:
No Disponible / Otro tipo
Fecha de publicación:
26/02/2025
Última modificación:
26/02/2025
Descripción
En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: media: cx25821: Arreglar la advertencia al eliminar el módulo Al eliminar el módulo, obtendremos la siguiente advertencia: [ 14.746697] remove_proc_entry: removing non-empty directory 'irq/21', leaking at least 'cx25821[1]' [ 14.747449] WARNING: CPU: 4 PID: 368 at fs/proc/generic.c:717 remove_proc_entry+0x389/0x3f0 [ 14.751611] RIP: 0010:remove_proc_entry+0x389/0x3f0 [ 14.759589] Call Trace: [ 14.759792] [ 14.759975] unregister_irq_proc+0x14c/0x170 [ 14.760340] irq_free_descs+0x94/0xe0 [ 14.760640] mp_unmap_irq+0xb6/0x100 [ 14.760937] acpi_unregister_gsi_ioapic+0x27/0x40 [ 14.761334] acpi_pci_irq_disable+0x1d3/0x320 [ 14.761688] pci_disable_device+0x1ad/0x380 [ 14.762027] ? _raw_spin_unlock_irqrestore+0x2d/0x60 [ 14.762442] ? cx25821_shutdown+0x20/0x9f0 [cx25821] [ 14.762848] cx25821_finidev+0x48/0xc0 [cx25821] [ 14.763242] pci_device_remove+0x92/0x240 Solucione esto liberando el irq antes de llamar a pci_disable_device().
Impacto
Referencias a soluciones, herramientas e información
- https://git.kernel.org/stable/c/005fd553f5f10fe8618d92f94ad10f9051eac331
- https://git.kernel.org/stable/c/1f0fc1dfb5fdd456657519a97fab83691b96c6a0
- https://git.kernel.org/stable/c/2203436a4d24302871617373a7eb21bc17e38762
- https://git.kernel.org/stable/c/222292930c8ecc3516e03ec1f9fa8448be7ff496
- https://git.kernel.org/stable/c/258639bc55a586ee6df92d89786ccf1c71546d70
- https://git.kernel.org/stable/c/3f94169affa33c9db4a439d88f09cb2ed3a33332
- https://git.kernel.org/stable/c/4d6295b6d986476232332fffd08575b185f90d81
- https://git.kernel.org/stable/c/5beb85ff7d005ddb7bf604a4f2dc76f01b84b318
- https://git.kernel.org/stable/c/9d92291698e5cc35a2b8a1106a01ddd7d60ade2d