Astra Linux – Vulnerability in Xen

Potential speculative code storage bypasses exist in all supported CPU products. Combined with software vulnerabilities related to speculative execution of overwritten instructions, this could lead to incorrect speculation and potentially cause data leakage...

EUVD-2021-16414

Malware in sbrugna...

Linux Distros Unpatched Vulnerability : CVE-2021-26313

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Potential speculative code store bypass in all supported CPU products, in conjunction with software vulnerabilities relating to speculative execution of...

OracleVM 3.4 : xen (OVMSA-2021-0020)

The remote OracleVM system is missing necessary patches to address security updates: - Observable response discrepancy in some IntelR Processors may allow an authorized user to potentially enable information disclosure via local access. CVE-2021-0089 - Potential speculative code store bypass in a...

DEBIAN-CVE-2021-29955

A transient execution vulnerability, named Floating Point Value Injection FPVI allowed an attacker to leak arbitrary memory addresses and may have also enabled JIT type confusion attacks. A related vulnerability, Speculative Code Store Bypass SCSB, did not affect Firefox.. This vulnerability...

DEBIAN-CVE-2021-26313

Potential speculative code store bypass in all supported CPU products, in conjunction with software vulnerabilities relating to speculative execution of overwritten instructions, may cause an incorrect speculation and could result in data leakage...

CVE-2021-26313 AMD Speculative Code Store Bypass

Potential speculative code store bypass in all supported CPU products, in conjunction with software vulnerabilities relating to speculative execution of overwritten instructions, may cause an incorrect speculation and could result in data leakage...

CVE-2021-26313

CVE-2021-26313 describes a speculative code store bypass affecting AMD CPUs where speculative execution of overwritten instructions may leak data. AMD’s bulletin AMD-SB-1003 maps the CVE to all currently supported CPU products, noting potential data leakage and recommending mitigations, including...

Speculative Code Store Bypass

ISSUE DESCRIPTION Modern superscalar processors may employ sophisticated decoding and caching of the instruction stream to improve performance. However, a consequence is that self-modifying code updates may not take effect instantly. Whatever the architectural guarantees, some CPUs have...