9/8/2023 0 Comments Update catalog microsoft![]() The whole thing doesn't sound particularly dramatic, but these vulnerabilities can, however, transfer stale data into core fill buffers from which the data can subsequently be derived by an attack. System environments with virtualization where MMIO access is granted to untrusted guests may need to be mitigated, Intel says, and Intel® Software Guard Extensions (Intel® SGX) must be patched accordingly. Since most vulnerabilities require the attacker to have access to MMIO, many environments are not affected. CVE-2022-21166 – Device Register Partial Write (DRPW).CVE-2022-21127 – Special Register Buffer Data Sampling Update (SRBDS Update).CVE-2022-21125 – Shared Buffer Data Sampling (SBDS).CVE-2022-21123 – Shared Buffer Data Read (SBDR).Here is the list of vulnerabilities addressed at Intel: ![]() The sequences of data disclosure operations range from simple to very complex, Intel writes. These are Processor MMIO Stale Data Vulnerabilities, memory-mapped I/O (MMIO) vulnerabilities that can expose data. Intel disclosed a number of vulnerabilities in its document Processor MMIO Stale Data Vulnerabilities on June 14, 2022. ![]()
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