NAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sr0     11:0    1  1024M  0 rom
sda      8:0    0    80G  0 disk
├─sda1   8:1    0    78G  0 part /
├─sda2   8:2    0     1K  0 part
└─sda5   8:5    0     2G  0 part [SWAP]
sr1     11:1    1  1024M  0 rom
sdb      8:16   1   7.4G  0 disk
├─sdb1   8:17   1    56M  0 part /media/boot
└─sdb2   8:18   1   2.7G  0 part /media/af599925-1134-4b6e-8883-fb6a99cd58f1

[ 1206.970596] sd 3:0:0:0: [sdb] Attached SCSI removable disk

sudo udevadm info -a -n /dev/sdb

T:  Bus=03 Lev=02 Prnt=02 Port=02 Cnt=02 Dev#=  5 Spd=480 MxCh= 0
D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P:  Vendor=0781 ProdID=5567 Rev=01.26
S:  Manufacturer=SanDisk
S:  Product=Cruzer Blade
S:  SerialNumber=4C532000060624123092
C:  #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=200mA
I:  If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage

model = model of the drive
vendor = the drive vendor

/proc/scsi/scsi          contains the description of each device and associated host
                         as scsi8 which lets me derive the "8" in the next bit.

/proc/scsi/usb-storage/8 contains the Vendor, Product and serial number

$ find /sys -name "oemid"
/sys/class/mmc_host/mmc0/mmc0:aaaa/oemid
$ find /sys -name "cid"
/sys/class/mmc_host/mmc0/mmc0:aaaa/cid
$ find /sys -name "csd"
/sys/class/mmc_host/mmc0/mmc0:aaaa/csd