power pmem

About this tag
The power pmem tag on WindowsForum.com covers discussions about persistent memory (PMEM) on POWER architecture systems, particularly in the context of Linux kernel memory management. Recent content highlights a CVE-2026-31686 fix addressing a double free vulnerability in KASAN page-table teardown logic during PMEM unmapping. This issue is relevant for enterprise environments using POWER systems with persistent memory or security-instrumented kernels. The fix has been backported to multiple stable kernel lines, indicating its importance for system stability and security. Topics include kernel memory management, PMEM teardown, and security fixes for POWER-based systems.

  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...
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    • cve-2026-31686 kasan security linux kernel power pmem
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    • Forum: Security Alerts