I'm pretty sure it will work considering the RH ABI compatibility guarantee and the generic RHEL kernel support statement (see below), but for Veritas to support the patch it has to be qualified, in my experience if you just reach out to your SE in Veritas and ask them to qualify the build it could be qualified reasonably quickly.
Officially you have a leg to stand on as per the release notes "All subsequent kernel versions and patch releases on the supported operating system levels are supported, but you should check the Symantec Operations Readiness Tools (SORT) website for additional information that applies to the exact kernel version for which you plan to deploy." https://sort.symantec.com/public/documents/vstore/7.0/linux/productguides/html/infoscale_notes/ch07s01s01.htm
so I don't think Veritas can refuse to support you, but I'd just ask SE to be sure.