CVE-2026-89588 ACPI: APEI: GHES: fix ARM section length accounting after header

In the Linux kernel, the following vulnerability has been resolved: ACPI: APEI: GHES: fix ARM section length accounting after header In gheshandlearmhwerror, after skipping the cpersecprocarm header with err + 1, the remaining length was reduced by sizeoferr pointer size instead of sizeoferr...