CVE-2022-49525

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> media: cx25821: Fix the warning when removing the module<br /> <br /> When removing the module, we will get the following warning:<br /> <br /> [ 14.746697] remove_proc_entry: removing non-empty directory &amp;#39;irq/21&amp;#39;, leaking at least &amp;#39;cx25821[1]&amp;#39;<br /> [ 14.747449] WARNING: CPU: 4 PID: 368 at fs/proc/generic.c:717 remove_proc_entry+0x389/0x3f0<br /> [ 14.751611] RIP: 0010:remove_proc_entry+0x389/0x3f0<br /> [ 14.759589] Call Trace:<br /> [ 14.759792] <br /> [ 14.759975] unregister_irq_proc+0x14c/0x170<br /> [ 14.760340] irq_free_descs+0x94/0xe0<br /> [ 14.760640] mp_unmap_irq+0xb6/0x100<br /> [ 14.760937] acpi_unregister_gsi_ioapic+0x27/0x40<br /> [ 14.761334] acpi_pci_irq_disable+0x1d3/0x320<br /> [ 14.761688] pci_disable_device+0x1ad/0x380<br /> [ 14.762027] ? _raw_spin_unlock_irqrestore+0x2d/0x60<br /> [ 14.762442] ? cx25821_shutdown+0x20/0x9f0 [cx25821]<br /> [ 14.762848] cx25821_finidev+0x48/0xc0 [cx25821]<br /> [ 14.763242] pci_device_remove+0x92/0x240<br /> <br /> Fix this by freeing the irq before call pci_disable_device().