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Windows 11: Fixed vulnerabilities with Intel CPUs March 7, 2023 |
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| Microsoft has fixed the Memory Mapped I/O Stale Data bugs on Windows 11 in Intel CPUs disclosed by the same manufacturer on June 14 last year. |
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Bug fix updates in Intel CPUs on Windows 11 |
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| Microsoft has announced that it has started the distribution of a set of corrective updates for Windows 10, Windows 11, Windows Server 2016, Windows Server 2019 and Windows Server 2022. |
| These updates make it possible to address the scenario described by Intel in June 2022, when the company had warned about the possibility of side-channel attacks that could allow processes running in a virtual machine to access data managed by another machine virtual. |
| Updates are released as manual updates in the Microsoft Update Catalog: |
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| .KB5019180 - Windows 10, version 20H2, 21H2 and 22H2 |
| .KB5019177 - Windows 11, version 21H2 |
| .KB5019178 - Windows 11, version 22H2 |
| .KB5019182 - Windows Server 2016 |
| .KB5019181 - Windows Server 2019 |
| .KB5019106 - Windows Server 2022 |
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| These are patches that address the following four security vulnerabilities: |
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| .CVE-2022-21123 - Shared Buffer Data Read (SBDR) |
| .CVE-2022-21125 - Shared Buffer Data Sampling (SBDS) |
| .CVE-2022-21127 - Special register buffer data sampling update (SRBDS update) |
| .CVE-2022-21166 - Partial Device Registry Write (DRPW) |
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