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Security timeline
- Security update reported by Trail of BitsTrail of Bits uses Codex to speed up backporting security fixes to stable Linux releases
- Vulnerability reported by Cyber Security NewsAnthropic says its AI model built a working root exploit for critical Linux kernel flaw CVE-2026-98432
Recent news
Trail of Bits uses Codex to speed up backporting security fixes to stable Linux releases
Trail of Bits describes using Codex agents to prepare backports of security fixes to stable Linux kernels, Ubuntu LTS and Fedora packages, with human engineers reviewing and submitting patches. By 29 October the project had helped deliver fixes for 149 distinct CVEs into stable kernel releases. The authors argue that thousands of known CVEs remain unfixed in stable branches, including a critical TCP stack flaw that had not reached distribution kernels weeks after upstream patching.
Anthropic says its AI model built a working root exploit for critical Linux kernel flaw CVE-2026-98432
Anthropic says an unreleased Claude research model produced a zero-click exploit for CVE-2026-98432, a use-after-free race condition in the Linux kernel's IPv4 TCP handling that gives unauthenticated root command execution, with a claimed 9.8 CVSS score. Upstream fixes are available in stable branches such as 5.10.272, 5.15.223 and 6.6.159, but distribution fixes are uneven, with Ubuntu and Red Hat Enterprise Linux reportedly lacking patched kernels as of 30 October. Teams should prioritise internet-facing servers, apply vendor kernel updates, reboot, and check whether multipath TCP listeners are needed.