Dfence: Fine-Grained Speculation Barriers for Efficient and Effective Hardware-Software Protection in the Spectre Era (Extended Version)

Speculative execution attacks such as Spectre-PHT and Spectre-STL remain a critical security concern in modern processors. While software-based mitigations like Speculative Load Hardening SLH offer effective protection against Spectre-PHT, they are limited in scope and require software-managed...

MiracleLinux 4 : kernel-2.6.32-696.18.7.el6 (AXSA:2018-2508:01)

The remote MiracleLinux 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2018-2508:01 advisory. An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions a commonly use...

K29146534: SSB Variant 4 vulnerability CVE-2018-3639

Security Advisory Description Systems with microprocessors utilizing speculative execution and speculative execution of memory reads before the addresses of all prior memory writes are known may allow unauthorized disclosure of information to an attacker with local user access via a side-channel...

Updated kernel-tmb packages fix security vulnerabilities

This kernel-tmb update is based on the upstream 4.14.18 and adds some support for mitigating Spectre, variant 1 CVE-2017-5753 and as it is built with the retpoline-aware gcc-5.5.0-1.mga6, it now provides full retpoline mitigation for Spectre, variant 2 CVE-2017-5715. The BPF interpreter has been...