Faculty of Engineering, Ferdowsi University of Mashhad, Mashhad, Khorasan Razavi, Iran

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سبد خرید

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high level vulnerability in Linux

high level vulnerability in Linux

CVE-2022-2196

Description

A regression exists in the Linux Kernel within KVM: nVMX that allowed for speculative execution attacks. L2 can carry out Spectre v2 attacks on L1 due to L1 thinking it doesn’t need retpolines or IBPB after running L2 due to KVM (L0) advertising eIBRS support to L1. An attacker at L2 with code execution can execute code on an indirect branch on the host machine. We recommend upgrading to Kernel 6.2 or past commit 2e7eab81425a

Base Score: 8.8 HIGH

https://kernel.dance/#2e7eab81425a

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