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Larvitz @Larvitz burningboard.net

Heads up for fellow Linux admins: CVE-2026-99999 (dubbed “PwnEscape”) is out, and it is a nasty one (CVSS 9.3).

Despite being called a KVM escape, the actual bug lives in the host IPv4 networking stack. Untrusted CHECKSUM_PARTIAL offload metadata from a guest can overwrite already-validated packet headers during ip_do_fragment(), leaking host memory or allowing a guest-to-host escape.

Mainline patches landed Oct 14, and stable backports are out. Check your hypervisors and reboot!

pwn.ai/blog/…

La segmentation des données clients m’impose plusieurs stations de travail, j’optimise l’espace avec un KVM USB et ce petit clavier #Cherry JK8600EU disposition US ANSI (malgré le nom qui ne l’indique pas). Meilleur clavier pour un job dans la tech.

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