Back pain leg pain white. Suggest.

I have back pain . Mainly while walking or standing my legs pain can't walking after taking few minutes rest then normal. No pain I can walk . If I walk one more half km then pain will come. Pain will come like when we sit on ground with closed legs blood circulation stop that time one pain will come like that. In my MRI reports 1.mild bulges of c4-c5, c5-c6,c6-c7 and D3-D4 discs causing the call sacred and spinal cord indentation. 2.Diffuse disc bulge of L4-L5 disc causing thecal sacred indentation. Spinal canal stenosis. 3.mild L5-S1 disc thecal sacred and spinl canal narrowing. 4.mild left para median disc bulge of L3-L4 disc causing thecal sac & left neural formation obliteration. This is report please suggest. Thanking you Waiting for your reply.