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#linuxsecurity — Public Fediverse posts

Live and recent posts from across the Fediverse tagged #linuxsecurity, aggregated by home.social.

  1. Looking to strengthen your Linux server security? Our comprehensive guide explores 10 essential hardening techniques for 2026, from SSH keys to automated patching. #LinuxSecurity #ServerHardening #Cybersecurity #LinuxAdmin estoreab.com/linux-security-ha

    estoreab.com/linux-security-ha

  2. Looking to fortify your Linux server as we approach 2026? Our new guide covers essential security hardening techniques including SSH key authentication, firewall configuration, kernel hardening, and automated patching. A must-read for system administrators and security-conscious users! #LinuxSecurity #ServerHardening #CyberSecurity #LinuxAdmin #InfoSec estoreab.com/linux-security-ha

    estoreab.com/linux-security-ha

  3. Copy Fail (CVE-2026-31431) is a 4-byte write into the Linux page cache that hands root to any local user in seconds. No race, no ASLR bypass, a 2017 "in-place is faster" optimization in algif_aead, exploitable in 2026 with 732 bytes of Python.
    The boundaries that hold are the ones that don't share a kernel: Firecracker, V8 isolates, gVisor. Shared-kernel containers, you have homework.
    #LinuxSecurity #KernelSecurity #DevOps

    open.substack.com/pub/doriandi

  4. Copy Fail Linux Privilege

    Copy Fail is a Linux kernel privilege escalation flaw. Learn who may be affected, why it matters, and how to update safely.

    beitmenotyou.online/copy-fail-

  5. Copy Fail Linux Privilege

    Copy Fail is a Linux kernel privilege escalation flaw. Learn who may be affected, why it matters, and how to update safely.

    beitmenotyou.online/copy-fail-

  6. CopyFail (CVE-2026-31431) is a high-severity Linux kernel vulnerability -- patches are out now for Rocky Linux 8.10, 9.8, and 10.1.

    Any unprivileged local user can escalate to root in seconds. Multi-tenant hosts, containers, and CI runners should prioritize this one.

    Fix it with:
    sudo dnf --refresh update 'kernel*'

    Full write-up on the blog:
    forums.rockylinux.org/t/copyfa
    #RockyLinux #Linux #OpenSource #LinuxSecurity #CopyFail

  7. CopyFail (CVE-2026-31431) is a high-severity Linux kernel vulnerability -- patches are out now for Rocky Linux 8.10, 9.8, and 10.1.

    Any unprivileged local user can escalate to root in seconds. Multi-tenant hosts, containers, and CI runners should prioritize this one.

    Fix it with:
    sudo dnf --refresh update 'kernel*'

    Full write-up on the blog:
    forums.rockylinux.org/t/copyfa

  8. CopyFail (CVE-2026-31431) is a high-severity Linux kernel vulnerability -- patches are out now for Rocky Linux 8.10, 9.8, and 10.1.

    Any unprivileged local user can escalate to root in seconds. Multi-tenant hosts, containers, and CI runners should prioritize this one.

    Fix it with:
    sudo dnf --refresh update 'kernel*'

    Full write-up on the blog:
    forums.rockylinux.org/t/copyfa
    #RockyLinux #Linux #OpenSource #LinuxSecurity #CopyFail

  9. CopyFail (CVE-2026-31431) is a high-severity Linux kernel vulnerability -- patches are out now for Rocky Linux 8.10, 9.8, and 10.1.

    Any unprivileged local user can escalate to root in seconds. Multi-tenant hosts, containers, and CI runners should prioritize this one.

    Fix it with:
    sudo dnf --refresh update 'kernel*'

    Full write-up on the blog:
    forums.rockylinux.org/t/copyfa
    #RockyLinux #Linux #OpenSource #LinuxSecurity #CopyFail

  10. CopyFail (CVE-2026-31431) is a high-severity Linux kernel vulnerability -- patches are out now for Rocky Linux 8.10, 9.8, and 10.1.

    Any unprivileged local user can escalate to root in seconds. Multi-tenant hosts, containers, and CI runners should prioritize this one.

    Fix it with:
    sudo dnf --refresh update 'kernel*'

    Full write-up on the blog:
    forums.rockylinux.org/t/copyfa
    #RockyLinux #Linux #OpenSource #LinuxSecurity #CopyFail

  11. GISEC GLOBAL 2026 – The Middle East & Africa’s Largest Cybersecurity Event
    Aggregated from www.darkreading.com.Read the full article →
    sudoaptchat.com/gisec-global-2
    #LinuxSecurity

  12. GISEC GLOBAL 2026 – The Middle East & Africa’s Largest Cybersecurity Event
    Aggregated from www.darkreading.com.Read the full article →
    sudoaptchat.com/gisec-global-2
    #LinuxSecurity

  13. Heads up: CVE-2026-31431 (Copy Fail) is a kernel crypto vulnerability affecting Rocky Linux. Our community is on it: tracking patches and sharing Rocky-specific guidance as it develops.

    If you're running Rocky in production, check the forum thread for the latest:

    forums.rockylinux.org/t/cve-20
    #RockyLinux #LinuxSecurity #OpenSource

  14. Heads up: CVE-2026-31431 (Copy Fail) is a kernel crypto vulnerability affecting Rocky Linux. Our community is on it: tracking patches and sharing Rocky-specific guidance as it develops.

    If you're running Rocky in production, check the forum thread for the latest:

    forums.rockylinux.org/t/cve-20

  15. Heads up: CVE-2026-31431 (Copy Fail) is a kernel crypto vulnerability affecting Rocky Linux. Our community is on it: tracking patches and sharing Rocky-specific guidance as it develops.

    If you're running Rocky in production, check the forum thread for the latest:

    forums.rockylinux.org/t/cve-20
    #RockyLinux #LinuxSecurity #OpenSource

  16. Heads up: CVE-2026-31431 (Copy Fail) is a kernel crypto vulnerability affecting Rocky Linux. Our community is on it: tracking patches and sharing Rocky-specific guidance as it develops.

    If you're running Rocky in production, check the forum thread for the latest:

    forums.rockylinux.org/t/cve-20
    #RockyLinux #LinuxSecurity #OpenSource

  17. Heads up: CVE-2026-31431 (Copy Fail) is a kernel crypto vulnerability affecting Rocky Linux. Our community is on it: tracking patches and sharing Rocky-specific guidance as it develops.

    If you're running Rocky in production, check the forum thread for the latest:

    forums.rockylinux.org/t/cve-20
    #RockyLinux #LinuxSecurity #OpenSource

  18. AlmaLinux released critical kernel patches to fix Copy Fail (CVE-2026-31431), a high-severity vulnerability. Update your AlmaLinux systems today.

    Full details here: ostechnix.com/almalinux-copy-f

    #Copyfail #CVE202631431 #Almalinux #Linuxkernel #Patch #Linuxsecurity

  19. AlmaLinux released critical kernel patches to fix Copy Fail (CVE-2026-31431), a high-severity vulnerability. Update your AlmaLinux systems today.

    Full details here: ostechnix.com/almalinux-copy-f

    #Copyfail #CVE202631431 #Almalinux #Linuxkernel #Patch #Linuxsecurity

  20. AlmaLinux released critical kernel patches to fix Copy Fail (CVE-2026-31431), a high-severity vulnerability. Update your AlmaLinux systems today.

    Full details here: ostechnix.com/almalinux-copy-f

    #Copyfail #CVE202631431 #Almalinux #Linuxkernel #Patch #Linuxsecurity

  21. AlmaLinux released critical kernel patches to fix Copy Fail (CVE-2026-31431), a high-severity vulnerability. Update your AlmaLinux systems today.

    Full details here: ostechnix.com/almalinux-copy-f

    #Copyfail #CVE202631431 #Almalinux #Linuxkernel #Patch #Linuxsecurity

  22. AlmaLinux released critical kernel patches to fix Copy Fail (CVE-2026-31431), a high-severity vulnerability. Update your AlmaLinux systems today.

    Full details here: ostechnix.com/almalinux-copy-f

    #Copyfail #CVE202631431 #Almalinux #Linuxkernel #Patch #Linuxsecurity

  23. 🛡️ Curso de Ciberseguridad Windows y Linux 2026. 🗓️ Domingos 3, 10, 17, y 24 de Mayo. ⏰ De 9:00 am a 12:00 pm (UTC -05:00). 📲 WhatsApp: https://wa.me/51949304030 🌎 PDF: https://www.reydes.com/e/Curso_Ciberseguridad_Windows_Linux #cybersecurity #infosec #kalilinux #windowsecurity #linuxsecurity #cyberattack #ethicalhacking
  24. 🛡️ Curso de Ciberseguridad Windows y Linux 2026. 🗓️ Domingos 3, 10, 17, y 24 de Mayo. ⏰ De 9:00 am a 12:00 pm (UTC -05:00). 📲 WhatsApp: https://wa.me/51949304030 🌎 PDF: https://www.reydes.com/e/Curso_Ciberseguridad_Windows_Linux #cybersecurity #infosec #kalilinux #windowsecurity #linuxsecurity #cyberattack #ethicalhacking
  25. 🛡️ Curso de Ciberseguridad Windows y Linux 2026. 🗓️ Domingos 3, 10, 17, y 24 de Mayo. ⏰ De 9:00 am a 12:00 pm (UTC -05:00). 📲 WhatsApp: https://wa.me/51949304030 🌎 PDF: https://www.reydes.com/e/Curso_Ciberseguridad_Windows_Linux #cybersecurity #infosec #kalilinux #windowsecurity #linuxsecurity #cyberattack #ethicalhacking
  26. 🛡️ Curso de Ciberseguridad Windows y Linux 2026. 🗓️ Domingos 3, 10, 17, y 24 de Mayo. ⏰ De 9:00 am a 12:00 pm (UTC -05:00). 📲 WhatsApp: https://wa.me/51949304030 🌎 PDF: https://www.reydes.com/e/Curso_Ciberseguridad_Windows_Linux #cybersecurity #infosec #kalilinux #windowsecurity #linuxsecurity #cyberattack #ethicalhacking
  27. Linux Privilege Escalation Cheat Sheet: Techniques and Prevention.

    In this cheat sheet, I break down essential enumeration commands, common escalation paths, and practical techniques every security professional should know.
    denizhalil.com/2025/06/30/linu

    #CyberSecurity #LinuxSecurity #PrivilegeEscalation #Pentesting #RedTeam #BlueTeam #InfoSec #ethicalhacking #SecurityEngineering #itsecurity

  28. Linux Privilege Escalation Cheat Sheet: Techniques and Prevention.

    In this cheat sheet, I break down essential enumeration commands, common escalation paths, and practical techniques every security professional should know.
    denizhalil.com/2025/06/30/linu

    #CyberSecurity #LinuxSecurity #PrivilegeEscalation #Pentesting #RedTeam #BlueTeam #InfoSec #ethicalhacking #SecurityEngineering #itsecurity

  29. Every piece of software you might install on any system with a Linux kernel could have the copy-fail exploit built in. That's comforting. Update your systems! #LinuxSecurity #copyfail

  30. Every piece of software you might install on any system with a Linux kernel could have the copy-fail exploit built in. That's comforting. Update your systems! #LinuxSecurity #copyfail

  31. Every piece of software you might install on any system with a Linux kernel could have the copy-fail exploit built in. That's comforting. Update your systems! #LinuxSecurity #copyfail

  32. Every piece of software you might install on any system with a Linux kernel could have the copy-fail exploit built in. That's comforting. Update your systems! #LinuxSecurity #copyfail