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exploit-CVE-2025-39946 — Exploit for CVE-2025-39946, a bug in the Linux kernel's net/tls subsystem. | Kitploit
Tools/GitHubGitHub/farazsth98/exploit-cve-2025-39946
Exploit FrameworksVulnerability AnalysisExploitationBinary Exploitation
GitHubfarazsth98/exploit-cve-2025-39946

exploit-CVE-2025-39946

Exploit for CVE-2025-39946, a bug in the Linux kernel's net/tls subsystem.

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37710 months agoReviewed by Kitploit

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README

This is an exploit for CVE-2025-39946. It will work on the lts-6.12.48 kCTF instance (but not 100% reliable).

I wrote a blog post analysing this vulnerability in detail. Check it out here!

Adapting for other kernel versions

The only modification the exploit should need to work for other kernel versions is a change to the CORE_PATTERN_OFFSET. You'll have to get the target kernel's bzImage, load the kernel with root privs, and compare core_pattern's address with _text's address in /proc/kallsyms.

I don't think any other changes will be necessary to adapt the exploit for other versions.

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