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Announcements and updates for the Linux Security Summits.

✴ https://events.linuxfoundation.org/open-source-summit-north-america/
✴ https://events.linuxfoundation.org/linux-security-summit-europe/

#linuxsecuritysummit
LinuxSecSummit

Linux Security Summit 🐧

📢 🐧 The videos from LSS-EU 🇪🇺 2025 in Amsterdam 🇳🇱 are now up!

📺 Here is the playlist:

https://youtube.com/playlist?list=PLbzoR-pLrL6rSxIlgQx8OYw74Az63TpaB&si=6DEbDaY4GJMtIH1m
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LinuxSecSummit
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a3f@fosstodon.org

Ahmad Fatoum

This year has seen a number of people putting quite some effort into strengthening the @barebox bootloader's security posture .

At @LinuxSecSummit in Amsterdam, I had the opportunity to present some of the work: security-focused documentation, fuzzing, hardening and a new framework for runtime access control.

The (correct!) slides are online now: https://static.sched.com/hosted_files/lsseu2025/94/hardening-the-barebox-bootloader.pdf

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securepaul@hachyderm.io

Paul Moore

Here are the slides for my "State of SELinux" presentation this afternoon at the @LinuxSecSummit in Amsterdam. For those who are interested, I'll also be hosting a SELinux BoF later today at the conference.

https://paul-moore.com/docs/2025-lss_eu-state_of_selinux-pcmoore-r2.pdf

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LinuxSecSummit

Linux Security Summit 🐧

Reply to @LinuxSecSummit
Attendance is good, with 78 registrations.
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LinuxSecSummit

Linux Security Summit 🐧

LSS-EU kicks off today in Amsterdam, with conference chair Elena Reshetova presenting opening remarks.

https://lsseu2025.sched.com/list/simple
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LinuxSecSummit

Linux Security Summit 🐧

🐧 📺 The videos from Linux Security Summit North America (LSS-NA) 2025 are now up on Youtube!

https://youtube.com/playlist?list=PLbzoR-pLrL6pAblvRXHaIYY0VE6ZjObV9&si=tHJlbUMfhM3uHVqI
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LinuxSecSummit

Linux Security Summit 🐧

Reply to @LinuxSecSummit
The final presentation for LSS-NA 2025 is Vedang Parasnis with "eBPF as an Active Security Enforcement Layer Stop DNS Data Breaches : Beyond Passive Observability".

https://static.sched.com/hosted_files/lssna2025/a8/LSS_Kernel_Enforced_DNS_Security.pdf
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LinuxSecSummit

Linux Security Summit 🐧

Reply to @LinuxSecSummit
Perry Alexander providing a case study of attesting a cross-domain system (CDS), which transfer data from one security domain to another.
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LinuxSecSummit

Linux Security Summit 🐧

Reply to @LinuxSecSummit
Zheng Zhang presenting "SymBisect: Accurate Bisection for Fuzzer-Exposed Linux Vulnerabilities".

https://static.sched.com/hosted_files/lssna2025/f2/lssna25_ppt-zheng.pptx.pdf
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LinuxSecSummit

Linux Security Summit 🐧

Reply to @LinuxSecSummit
Tom Hromatka discussing how to handle new syscalls in Seccomp filters.

https://static.sched.com/hosted_files/lssna2025/73/HandlingNewSyscallsInSeccomp.pdf
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LinuxSecSummit

Linux Security Summit 🐧

Reply to @LinuxSecSummit
Stephen Smalley presenting on SELinux namespacing.

https://static.sched.com/hosted_files/lssna2025/27/NamespacesforSELinux.pdf
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LinuxSecSummit

Linux Security Summit 🐧

Reply to @LinuxSecSummit
Edited 2 months ago
Anna Trikalinou presenting "Binding TDISP & Platform Attestation Reports for Confidential VMs".

https://static.sched.com/hosted_files/lssna2025/49/Binding%20TDISP%20%26%20Platform%20Attestation%20Evidence.pptx
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LinuxSecSummit

Linux Security Summit 🐧

Reply to @LinuxSecSummit
Day 2 of LSS-EU kicking off with Casey Schaufler on the state of LSM stacking, now approaching its 15th anniversary.

https://static.sched.com/hosted_files/lssna2025/33/2025-06-LSSNA-Stacking.pdf

#linux #linuxsecuritysummit #infosec #kernel #security
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LinuxSecSummit

Linux Security Summit 🐧

Reply to @LinuxSecSummit
The final session for Day 1 was Carlos Bilbao on integrating confidential computing into cloud infrastructure. https://static.sched.com/hosted_files/lssna2025/dc/slides_lss.pdf?_gl=1*1jbase4*_gcl_au*MTQ0MzQxNzIzLjE3NTA4OTMwMzA.*FPAU*MTQ0MzQxNzIzLjE3NTA4OTMwMzA
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LinuxSecSummit

Linux Security Summit 🐧

Reply to @LinuxSecSummit
Maxwell Bland leading a round table discussion on addressing data-only attacks on the Linux kernel. No great solutions currently, especially for mutable data, but work is ongoing in several areas including capability-like mechanisms, hypervisor introspection, protection keys, and compiler plugins.
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LinuxSecSummit

Linux Security Summit 🐧

Reply to @LinuxSecSummit
Stéphane Graber presenting Incus OS, a minimal image-based OS for deploying Incus at scale.
Slides: https://static.sched.com/hosted_files/lssna2025/24/LSSNA%202025_%20Incus%20OS.pdf
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LinuxSecSummit

Linux Security Summit 🐧

Reply to @LinuxSecSummit
Xuan Xing & Eugene Rodionov presenting on Linux kernel fuzzing with LKL.

Slides: https://static.sched.com/hosted_files/lssna2025/01/Bypass%20Kernel%20Barriers_%20Fuzzing%20Linux%20Kernel%20in%20Userspace%20with%20LKL.pdf
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LinuxSecSummit

Linux Security Summit 🐧

Reply to @LinuxSecSummit
John Johansen talking about Ubuntu Permission Prompting.
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LinuxSecSummit

Linux Security Summit 🐧

Reply to @LinuxSecSummit
Alan Wandke talking about SeaBee - Security Enhanced Architecture for eBPF.

https://github.com/NationalSecurityAgency/seabee
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LinuxSecSummit

Linux Security Summit 🐧

Reply to @LinuxSecSummit
Edited 2 months ago
Alexandre Pujol @roddhjav on "Lessons Learned While Making an AppArmor Play Machine".

https://play.pujol.io/
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