CVE-2025-23155 net: stmmac: Fix accessing freed irq affinity_hint

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: Fix accessing freed irq affinityhint In stmmacrequestirqmultimsi, a pointer to the stack variable cpumask is passed to irqsetaffinityhint. This value is stored in irqdesc-affinityhint, but once stmmacrequestirqmultim...