grsecurity

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Foundational security for the Linux kernel. Solving the most difficult memory unsafety problems. Created by Open Source Security, Inc.
Show threadgrsecurity3d ago

Preparatory patches: https://github.com/NVIDIA/open-gpu-kernel-modules/pull/1068

Full Kbuild support: https://github.com/NVIDIA/open-gpu-kernel-modules/pull/1069

#grsecurity compatibility: https://github.com/NVIDIA/open-gpu-kernel-modules/pull/1070

grsecurity3d ago

Today, @minipli has submitted patches for the NVIDIA open gpu kernel modules that implement full Kbuild support, paving the way for CFI, KASAN/UBSAN, and our many compiler plugins.

Running AI workloads with NVIDIA GPUs no longer means weakening kernel security.

Links below 👇

grsecurityJan 28
Our 6.18 #grsecurity LTS release, to be supported through at least the end of 2028, is now available!
grsecurityDec 16

Just sent out our year end wrap-up mail to customers. It's a bit bigger than usual, so grab yourself some Swiss Miss and enjoy!

If you didn't receive it, but should have, just reach out and we'll make sure you're on the list.

Happy holidays!

grsecurityDec 4
6.18 has been selected as the next #grsecurity stable kernel version, to be supported through the end of 2028, one year longer than the upstream LTS EOL date of Dec 2027.
grsecurityJun 26, 2025
Quick reminder that our 6.8 short-term stable kernel goes EOL at the end of this month. Some stats: over the period of a year, it included over 1500 security/stability-relevant backports.
grsecurityMay 23, 2025
Nice demo: tested a vulnerable Ubuntu 22.04 system for glibc CVE-2025-4802 using Solar Designer's PoC adapted to Ubuntu (replace any occurrence of "myhostname" with "mdns4_minimal"). Even an old #grsecurity 5.4.96 kernel from February 8 2021 prevented exploitation
Show threadgrsecurityFeb 24, 2025
It's now available!
grsecurityFeb 19, 2025
We expect our 6.13 #grsecurity beta to be available within the next two weeks.
grsecurityFeb 3, 2025
https://github.com/google/security-research/security/advisories/GHSA-4xq7-4mgh-gp6w
AMD: Microcode Signature Verification Vulnerability

### Summary Google Security Team has identified a security vulnerability in some AMD Zen-based CPUs. This vulnerability allows an adversary with local administrator privileges (ring 0 from outside...

GitHub