Memory Management Issue in Linux Kernel Affects Multiple Distributions
CVE-2025-39883

Currently unrated

Key Information:

Vendor: Linux
Status: Linux
Vendor: CVE Published:; 23 September 2025

What is CVE-2025-39883?

A vulnerability in the Linux kernel's memory management subsystem can lead to a kernel panic when unpoisoning memory. This occurs due to the uninitialized page flags being checked during the unpoison_memory process, triggering a VM_BUG_ON_PAGE alert. The bug manifests when attempting to unpoison a page with invalid flags, affecting stability and potentially leading to system crashes. Users are advised to apply the latest patches to ensure system reliability and security.

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