CVE-2026-89852 scsi: qla2xxx: Zero mailbox struct in qla2x00_get_firmware_state()

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Zero mailbox struct in qla2x00getfirmwarestate The mbxcmdt is allocated on the stack but left uninitialized. qla2x00mailboxcommand has several early-return paths PCI permanent failure, device failed, EEH busy, ISP...