Yes this must be the case of torn cv joint boot.
Change it ASAP or you will lose your CV Joint it will become noisy if dust or water entered.
Why CV Joint Boot Fails.
1 - Some thing hit the boot like a stone or any small thing.
2 - Our smart desi mechanic filling the bloody Boot with desi grease
So when you get the CV Joint boot change make sure you buy grease tube that is available for CV joints only not the desi grease they use.
Buy Japanese boot and dun go for 2nd hand or qabli boot only japanese