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CVE-2018-15594

Description

arch/x86/kernel/paravirt.c in the Linux kernel before 4.18.1 mishandles certain indirect calls, which makes it easier for attackers to conduct Spectre-v2 attacks against paravirtual guests.

POC

Reference

- https://usn.ubuntu.com/3777-1/

- https://usn.ubuntu.com/3777-2/

- https://usn.ubuntu.com/3777-3/

Github

- https://github.com/ARPSyndicate/cvemon

- https://github.com/elivepatch/livepatch-overlay