CVE-2024-35816

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> firewire: ohci: prevent leak of left-over IRQ on unbind<br /> <br /> Commit 5a95f1ded28691e6 ("firewire: ohci: use devres for requested IRQ")<br /> also removed the call to free_irq() in pci_remove(), leading to a<br /> leftover irq of devm_request_irq() at pci_disable_msi() in pci_remove()<br /> when unbinding the driver from the device<br /> <br /> remove_proc_entry: removing non-empty directory &amp;#39;irq/136&amp;#39;, leaking at<br /> least &amp;#39;firewire_ohci&amp;#39;<br /> Call Trace:<br /> ? remove_proc_entry+0x19c/0x1c0<br /> ? __warn+0x81/0x130<br /> ? remove_proc_entry+0x19c/0x1c0<br /> ? report_bug+0x171/0x1a0<br /> ? console_unlock+0x78/0x120<br /> ? handle_bug+0x3c/0x80<br /> ? exc_invalid_op+0x17/0x70<br /> ? asm_exc_invalid_op+0x1a/0x20<br /> ? remove_proc_entry+0x19c/0x1c0<br /> unregister_irq_proc+0xf4/0x120<br /> free_desc+0x3d/0xe0<br /> ? kfree+0x29f/0x2f0<br /> irq_free_descs+0x47/0x70<br /> msi_domain_free_locked.part.0+0x19d/0x1d0<br /> msi_domain_free_irqs_all_locked+0x81/0xc0<br /> pci_free_msi_irqs+0x12/0x40<br /> pci_disable_msi+0x4c/0x60<br /> pci_remove+0x9d/0xc0 [firewire_ohci<br /> 01b483699bebf9cb07a3d69df0aa2bee71db1b26]<br /> pci_device_remove+0x37/0xa0<br /> device_release_driver_internal+0x19f/0x200<br /> unbind_store+0xa1/0xb0<br /> <br /> remove irq with devm_free_irq() before pci_disable_msi()<br /> also remove it in fail_msi: of pci_probe() as this would lead to<br /> an identical leak