CVE-2026-23114 arm64/fpsimd: ptrace: Fix SVE writes on !SME systems

In the Linux kernel, the following vulnerability has been resolved: arm64/fpsimd: ptrace: Fix SVE writes on !SME systems When SVE is supported but SME is not supported, a ptrace write to the NTARMSVE regset can place the tracee into an invalid state where non-streaming SVE register data is stored...