grsecurity (@grsecurity) 's Twitter Profile
grsecurity

@grsecurity

Foundational security for the Linux kernel. Solving the most difficult memory unsafety problems. Created by @opensrcsec

ID: 601129251

linkhttps://www.grsecurity.net calendar_today06-06-2012 15:16:40

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grsecurity
@grsecurity

3 months ago

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

Nice demo: tested a vulnerable Ubuntu 22.04 system for glibc CVE-2025-4802 using <a href="/solardiz/">Solar Designer</a>'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