In the Linux kernel, the following vulnerability has been resolved:
net: mana: Fix error handling in manacreatetxq/rxq's NAPI cleanup
Currently napi_disable() gets called during rxq and txq cleanup, even before napi is enabled and hrtimer is initialized. It causes kernel panic.
? pagefaultoops+0x136/0x2b0 ? pagecountercancel+0x2e/0x80 ? douseraddrfault+0x2f2/0x640 ? refillobjstock+0xc4/0x110 ? excpagefault+0x71/0x160 ? asmexcpagefault+0x27/0x30 ? _mmdrop+0x10/0x180 ? _mmdrop+0xec/0x180 ? hrtimeractive+0xd/0x50 hrtimertrytocancel+0x2c/0xf0 hrtimercancel+0x15/0x30 napidisable+0x65/0x90 manadestroyrxq+0x4c/0x2f0 manacreaterxq.isra.0+0x56c/0x6d0 ? manauncfgvport+0x50/0x50 manaallocqueues+0x21b/0x320 ? skb_dequeue+0x5f/0x80