kernel: arm64: mte: Avoid setting PG_mte_tagged if no tags cleared or restored

A vulnerability was found in the ARM64 Memory Tagging Extension MTE implementation in the Linux kernel. The PGmtetagged bit was being incorrectly set on pages that should not have MTE tags, causing conflicts with KASAN hardware tag checking. When pages are migrated, incorrect tags could be copied...

Design/Logic Flaw

Microsoft Internet Explorer 10 and 11 uses an incorrect flag during certain filesystem accesses, which allows remote attackers to delete arbitrary files via unspecified vectors, aka "Tampering Vulnerability."...