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Linux
China-linked hackers hijacked Linux login system for nearly a decade
A China-nexus espionage group quietly inhabited an organization's most sensitive network for close to ten years, evading detection by rewriting the very software that handles user logins, according to a forensic investigation published this week by incident-response firm Sygnia.
PoC exploit released for critical Linux KVM guest-to-host escape flaw
A proof-of-concept exploit for a critical Linux kernel vulnerability that allows a malicious guest virtual machine to escape its sandbox and execute commands on the host with full kernel privileges has been publicly released, raising urgent concerns for operators of…