CVE-2025-22128

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> wifi: ath12k: Clear affinity hint before calling ath12k_pci_free_irq() in error path<br /> <br /> If a shared IRQ is used by the driver due to platform limitation, then the<br /> IRQ affinity hint is set right after the allocation of IRQ vectors in<br /> ath12k_pci_msi_alloc(). This does no harm unless one of the functions<br /> requesting the IRQ fails and attempt to free the IRQ.<br /> <br /> This may end up with a warning from the IRQ core that is expecting the<br /> affinity hint to be cleared before freeing the IRQ:<br /> <br /> kernel/irq/manage.c:<br /> <br /> /* make sure affinity_hint is cleaned up */<br /> if (WARN_ON_ONCE(desc-&gt;affinity_hint))<br /> desc-&gt;affinity_hint = NULL;<br /> <br /> So to fix this issue, clear the IRQ affinity hint before calling<br /> ath12k_pci_free_irq() in the error path. The affinity will be cleared once<br /> again further down the error path due to code organization, but that does<br /> no harm.