kasan security

About this tag
The kasan security tag on WindowsForum.com covers discussions about Kernel Address Sanitizer (KASAN), a Linux kernel security feature that detects memory errors such as out-of-bounds accesses and use-after-free bugs. Tagged content includes a thread about CVE-2026-31686, a Linux kernel fix addressing a double free vulnerability in KASAN page-table teardown logic during persistent memory (PMEM) unmapping. This issue is relevant for enterprise environments running POWER systems, persistent memory, or security-instrumented kernels. The fix has been backported to multiple stable kernel lines, indicating its importance for maintaining system stability and security. While the tag focuses on Linux kernel security, it may also interest Windows users involved in cross-platform enterprise IT or virtualization scenarios.
  1. CVE-2026-31686: Linux KASAN Fix Prevents Double Free in PMEM Teardown

    CVE-2026-31686 is a small Linux kernel memory-management fix with outsized operational relevance for anyone running POWER, persistent memory, or security-instrumented kernels in enterprise environments. The issue sits in KASAN page-table teardown logic, where an incorrect assumption about...