When we cut with a circular saw we often install the blade backwards to minimize ripping and tearing of the vinyl.
Hole in vinyl siding attic.
Clean the siding around the hole with vinyl siding cleaner or dish detergent and water then dry the siding.
Cover the hole from the back side with foil tape then put the siding back where it belongs.
There are several ways to repair damaged vinyl siding depending on the extent of the damage.
A hole saw tin snips etc will slice right through it.
You can patch a hole in your vinyl siding in less than three minutes using tear aid type b from sailrite.
You need to be sure the weather stripping and siding itself is properly done to keep the siding water tight.
Got a hole in your vinyl siding and want to patch it quickly.
A siding zip tool pops the piece off from the bottom edge.
Cut a scrap piece of siding to a length that is several inches longer than the hole.
Holes an inch or two across or long narrow holes that still appear patchable require removing the damaged piece of vinyl to fix it.
That said the hole is the least of your effort.