[gmartres]

According to ARM yes, but only on a few architectures: https://developer.arm.com/support/security-update (Meltdown is CVE-2017-5754 and is responsible for Variant 3 and Variant 3a). See also https://github.com/marcan/speculation-bugs/blob/master/READM... which tries to summarize every known attack/platform/mitigation.