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Linux Kernel Security Linux Kernel Security @linkersec · 4.72K subscribers
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Canary in the Kernel Mine: Exploiting and Defending Against Same-Type Object Reuse

An article by Mathias Krause about creating a mitigation for same-type same-address use-after-free bugs affecting the file and cred structures. Mathias also provided a set of exploits that was used to test the mitigation.
grsecurity.net Canary in the Kernel Mine: Exploiting and Defending Against Same-Type Object Reuse This blog covers a difficult-to-defend subclass of use-after-free vulnerabilities in the Linux kernel, grsecurity's defense for it, and why our defense required compiler plugin involvement. Included PoC exploits demonstrate the power and simplicity of this…
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