# ReactOS Developers Fix a Serious Kernel-Mode Memory Management Bug

DevFeed: [ReactOS Developers Fix a Serious Kernel-Mode Memory Management Bug](<https://devfeed.tech/articles/newsletter-76-32942.md>)

Original publisher: [Read original article](<https://reactos.org/blogs/newsletter-76/>)

Published: 2010-09-08T00:00:00Z

Content type: news

Language: en

Sources: [Front Page on ReactOS Website](<https://devfeed.tech/sources/front-page-on-reactos-website.md>)

Topics: [ReactOS](<https://devfeed.tech/topics/reactos.md>), [Processes](<https://devfeed.tech/topics/processes.md>), [Memory Leaks](<https://devfeed.tech/topics/memory-leaks.md>), [bug](<https://devfeed.tech/topics/bug.md>), [Operating system](<https://devfeed.tech/topics/operating-system.md>)

Tags: [bug](<https://devfeed.tech/tags/bug.md>), [free](<https://devfeed.tech/tags/free.md>), [kernel](<https://devfeed.tech/tags/kernel.md>), [memory-management](<https://devfeed.tech/tags/memory-management.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [os](<https://devfeed.tech/tags/os.md>), [processes](<https://devfeed.tech/tags/processes.md>), [react](<https://devfeed.tech/tags/react.md>), [reactos](<https://devfeed.tech/tags/reactos.md>), [systems](<https://devfeed.tech/tags/systems.md>), [win32](<https://devfeed.tech/tags/win32.md>), [winapi](<https://devfeed.tech/tags/winapi.md>)

## AI overview

ReactOS developers identified and fixed a serious kernel-mode memory management bug involving terminated processes whose freed list entries remained referenced. The dangling pointers could lead to data corruption and other problems.

## Source excerpt

Hunting Dangling Pointers There has always been a suspicion and concern amongst the ReactOS developers that there are points of sloppiness in ReactOS with respect to memory management. These can be fairly innocuous when at the user mode level, but in kernel mode can lead to data corruption and other problems. Cameron Gutman, Timo Kreuzer, and Michael Martin have just managed to find and fix what was perhaps the most serious of these suspected leaks.