An integer overflow in the qla2x00_sysfs_write_optrom_ctl function in drivers/scsi/qla2xxx/qla_attr.c in the Linux kernel through 4.12.10 allows local users to cause a denial of service (memory corruption and system crash) by leveraging root access.
3.13.0-142.1914.4.0-98.121~14.04.14.4.0-98.1214.4.0-1039.484.13.0-1005.74.13.0-1002.54.4.0-1033.334.13.0-32.35~16.04.14.4.0-1009.144.4.0-1076.84Exploitability
AV:LAC:LPR:HUI:NScope
S:UImpact
C:NI:NA:HCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H