CVE-2026-64462

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> PCI: altera: Fix resource leaks on probe failure<br /> <br /> The chained IRQ handler is set during probe, but is only removed during the<br /> driver remove(). If pci_host_probe() fails, the handler and INTx IRQ<br /> domain remain set even though the devm-managed host bridge storage<br /> containing struct altera_pcie will be released, leaving the handler with<br /> a stale data pointer.<br /> <br /> Interrupts are also enabled before pci_host_probe() is called. If probe<br /> fails after that point, the controller interrupt source should be disabled<br /> before the chained handler and INTx domain are removed.<br /> <br /> So set the chained handler only after the INTx domain has been created.<br /> Disable controller interrupts during IRQ teardown, and tear the IRQ setup<br /> down if pci_host_probe() fails.<br /> <br /> [mani: commit log]