CVE-2026-97942 x86/alternatives: Exclude text poking against change_page_attr()

In the Linux kernel, the following vulnerability has been resolved: x86/alternatives: Exclude text poking against changepageattr From time to time, the following BUG can be observed in the x86 alternatives patching code 0: kernel BUG at arch/x86/kernel/alternative.c:2576! Oops: invalid opcode: 00...