# Linux 7.4 To Land New BTB CTX Isolation Feature Of AMD Zen 6

DevFeed: [Linux 7.4 To Land New BTB CTX Isolation Feature Of AMD Zen 6](<https://devfeed.tech/articles/linux-7-4-to-land-new-btb-ctx-isolation-feature-of-amd-zen-6-65013.md>)

Original publisher: [Read original article](<https://www.phoronix.com/news/AMD-Zen-6-BTB-CTX-Linux-7.4>)

Author: Michael Larabel

Published: 2026-10-05T18:47:01Z

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>)

Tags: [desktop-linux](<https://devfeed.tech/tags/desktop-linux.md>), [epyc](<https://devfeed.tech/tags/epyc.md>), [git](<https://devfeed.tech/tags/git.md>), [kernel](<https://devfeed.tech/tags/kernel.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-performance](<https://devfeed.tech/tags/linux-performance.md>), [linux-server-benchmarks](<https://devfeed.tech/tags/linux-server-benchmarks.md>), [open-source-graphics](<https://devfeed.tech/tags/open-source-graphics.md>), [phoronix](<https://devfeed.tech/tags/phoronix.md>), [phoronix-test-suite](<https://devfeed.tech/tags/phoronix-test-suite.md>), [ryzen](<https://devfeed.tech/tags/ryzen.md>), [security](<https://devfeed.tech/tags/security.md>), [servers](<https://devfeed.tech/tags/servers.md>), [spectre](<https://devfeed.tech/tags/spectre.md>), [ubuntu-benchmarks](<https://devfeed.tech/tags/ubuntu-benchmarks.md>), [ubuntu-hardware](<https://devfeed.tech/tags/ubuntu-hardware.md>), [vulnerability](<https://devfeed.tech/tags/vulnerability.md>), [zen-6](<https://devfeed.tech/tags/zen-6.md>)

## AI overview

Linux 7.4 is expected to add support for AMD Zen 6's Branch Target Buffer Context (BTB CTX) isolation, a security defense against the SRSO vulnerability. The feature separates user/kernel and guest/host contexts; a queued kernel patch also updates reporting for the related mitigation configuration.

## Source excerpt

The Linux 7.4 kernel is set to introduce support for a new AMD Zen 6 security feature...