hardware: Microarchitectural Data Sampling Uncacheable Memory (MDSUM)

Uncacheable memory on some microprocessors utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access...

Intel CPUs Impacted By New Class of Spectre-Like Attacks

A new class of side channel vulnerabilities impacting all modern Intel chips have been disclosed, which can use speculative execution to potentially leak sensitive data from a system’s CPU. Intel said that the newest class of vulnerabilities, dubbed Microarchitectural Data Sampling MDS, consist o...

SUSE-SU-2019:1244-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 kernel was updated to receive various security and bugfixes. Four new speculative execution information leak issues have been identified in Intel CPUs. bsc1111331 - CVE-2018-12126: Microarchitectural Store Buffer Data Sampling MSBDS - CVE-2018-12127: Microarchitectura...

SUSE-SU-2019:14048-1 Security update for microcode_ctl

This update for microcodectl fixes the following issues: This update contains the Intel QSR 2019.1 Microcode release bsc1111331 Four new speculative execution information leak issues have been identified in Intel CPUs. bsc1111331 - CVE-2018-12126: Microarchitectural Store Buffer Data Sampling MSB...

SUSE-SU-2019:1236-1 Security update for ucode-intel

This update for ucode-intel fixes the following issues: This update contains the Intel QSR 2019.1 Microcode release bsc1111331 Four new speculative execution information leak issues have been identified in Intel CPUs. bsc1111331 - CVE-2018-12126: Microarchitectural Store Buffer Data Sampling MSBD...

SUSE-SU-2019:1235-1 Security update for ucode-intel

This update for ucode-intel fixes the following issues: This update contains the Intel QSR 2019.1 Microcode release bsc1111331 Four new speculative execution information leak issues have been identified in Intel CPUs. bsc1111331 - CVE-2018-12126: Microarchitectural Store Buffer Data Sampling MSBD...

CVE-2019-11091

Microarchitectural Data Sampling Uncacheable Memory MDSUM: Uncacheable memory on some microprocessors utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access. A list of impacted products can be found here:...

CVE-2018-12127

Microarchitectural Load Port Data Sampling MLPDS: Load ports on some microprocessors utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access. A list of impacted products can be found here:...

Intel Flaw Lets Hackers Siphon Secrets from Millions of PCs

Two different groups of researchers found another speculative execution attack that can steal all the data a CPU touches...

CVE-2018-12126

Microarchitectural Store Buffer Data Sampling MSBDS: Store buffers on some microprocessors utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access. A list of impacted products can be found here:...

CVE-2018-12130

Microarchitectural Fill Buffer Data Sampling MFBDS: Fill buffers on some microprocessors utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access. A list of impacted products can be found here:...

UBUNTU-CVE-2018-12126

Microarchitectural Store Buffer Data Sampling MSBDS: Store buffers on some microprocessors utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access. A list of impacted products can be found here:...

Microarchitectural Data Sampling (MDS) Side Channel Vulnerabilities - US

Lenovo Security Advisory: LEN-26696 Potential Impact: Information disclosure Severity: Medium Scope of Impact: Industry-wide CVE Identifier: CVE-2018-12126 - Microarchitectural Store Buffer Data Sampling MSBDS CVE-2018-12127 - Microarchitectural Load Port Data Sampling MLPDS CVE-2018-12130 -...

May 14, 2019—KB4499181 (OS Build 15063.1805)

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May 14, 2019—KB4499151 (Monthly Rollup)

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May 14, 2019—KB4499171 (Monthly Rollup)

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May 14, 2019—KB4499158 (Security-only update)

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May 14, 2019—KB4499165 (Security-only update)

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Windows 10 Insider Preview Build 18362.113

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Microsoft Guidance to mitigate Microarchitectural Data Sampling vulnerabilities

Executive Summary On May 14, 2019, Intel published information about a new subclass of speculative execution side channel vulnerabilities known as Microarchitectural Data Sampling. An attacker who successfully exploited these vulnerabilities may be able to read privileged data across trust...