# UAF

Published articles for UAF.

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## Linux'x New Core MM Tree Ready With Numerous Fixes For "Nasty Long-Standing Bugs"

DevFeed: [Linux'x New Core MM Tree Ready With Numerous Fixes For "Nasty Long-Standing Bugs"](<https://devfeed.tech/articles/linux-x-new-core-mm-tree-ready-with-numerous-fixes-for-nasty-long-standing-bugs-118869.md>)

Original publisher: [Read original article](<https://www.phoronix.com/news/Linux-7.4-Core-MM-Nasty-Fixes>)

Author: Michael Larabel

Published: 2026-11-05T11:05:02Z

Content type: news

Language: en

Sources: [Phoronix](<https://devfeed.tech/sources/phoronix.md>)

Topics: [Linux Kernel](<https://devfeed.tech/topics/linux-kernel.md>), [Linux](<https://devfeed.tech/topics/linux.md>), [bugfixes](<https://devfeed.tech/topics/bugfixes.md>), [Memory Safety](<https://devfeed.tech/topics/memory-safety.md>)

Tags: [anthropic](<https://devfeed.tech/tags/anthropic.md>), [bugs](<https://devfeed.tech/tags/bugs.md>), [corruption](<https://devfeed.tech/tags/corruption.md>), [data-loss](<https://devfeed.tech/tags/data-loss.md>), [deadlocks](<https://devfeed.tech/tags/deadlocks.md>), [desktop-linux](<https://devfeed.tech/tags/desktop-linux.md>), [kernel](<https://devfeed.tech/tags/kernel.md>), [leaks](<https://devfeed.tech/tags/leaks.md>), [linux](<https://devfeed.tech/tags/linux.md>), [linux-benchmarking](<https://devfeed.tech/tags/linux-benchmarking.md>), [linux-hardware-benchmarks](<https://devfeed.tech/tags/linux-hardware-benchmarks.md>), [linux-hardware-reviews](<https://devfeed.tech/tags/linux-hardware-reviews.md>), [linux-how-to](<https://devfeed.tech/tags/linux-how-to.md>), [linux-kernel-mailing-list](<https://devfeed.tech/tags/linux-kernel-mailing-list.md>), [linux-performance](<https://devfeed.tech/tags/linux-performance.md>), [linux-server-benchmarks](<https://devfeed.tech/tags/linux-server-benchmarks.md>), [loops](<https://devfeed.tech/tags/loops.md>), [memory](<https://devfeed.tech/tags/memory.md>), [memory-management](<https://devfeed.tech/tags/memory-management.md>), [open-source-graphics](<https://devfeed.tech/tags/open-source-graphics.md>), [page-cache](<https://devfeed.tech/tags/page-cache.md>), [phoronix](<https://devfeed.tech/tags/phoronix.md>), [phoronix-test-suite](<https://devfeed.tech/tags/phoronix-test-suite.md>), [tlb](<https://devfeed.tech/tags/tlb.md>), [uaf](<https://devfeed.tech/tags/uaf.md>), [ubuntu-benchmarks](<https://devfeed.tech/tags/ubuntu-benchmarks.md>), [ubuntu-hardware](<https://devfeed.tech/tags/ubuntu-hardware.md>)

### AI overview

Linux 7.4-rc2's new Core MM tree sent a set of stable-worthy memory-management fixes to the kernel mailing list, addressing long-standing bugs across THP, GUP, KSM, userfaultfd, shared memory, hugetlb, page cache and memory reclaim. The excerpt says fixes target information leaks and out-of-bounds writes, data loss, mapping corruption and reference-counting errors, incorrect TLB flushing and unmapping, use-after-free bugs, deadlocks and unkillable loops, especially in shmem swap handling. It also notes fixes to memfd execution-seal enforcement, accounting, quota and userfaultfd registration handling. The pull request was pending; the quoted maintainer says urgent fixes will be prioritized closer to release while avoiding too many late changes.

### Source excerpt

New to the Linux 7.4 kernel cycle is the Core MM tree as the route for herding some of the core memory management Linux kernel patches to the mainline kernel rather than it all going through Andrew Morton's "MM" tree. As the second pull request from this new kernel tree, a number of fixes were sent out today to address "nasty long-standing bugs" within the kernel...