The sg_ioctl function in drivers/scsi/sg.c in the Linux kernel up to and including 4.10.4 allows local users to cause a denial of service (stack-based buffer overflow) or possibly have unspecified other impact via a large command size in an SG_NEXT_CMD_LEN ioctl call, leading to out-of-bounds write access in the sg_write function.
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linux linux kernel |