Processor Speculative Execution Vulnerabilities (Linux)

The remote host has not properly mitigated a series of known speculative execution vulnerabilities. It, therefore, may be affected by : - Spectre variant 1 CVE-2017-5753 - Spectre variant 2 CVE-2017-5715 - Meltdown CVE-2017-5754 Binary data linuxkernelspeculativeexecutiondetect.nbin...

Security update for the Linux Kernel (important)

openSUSE Security Update: Security update for the Linux Kernel Announcement ID: openSUSE-SU-2019:1404-1 Rating: important References: 1050549 1051510 1052904 1053043 1055117 1055121 1055186 1061840 1063638 1065600 1065729 1070872 1082555 1083647 1085535 1085536 1088804 1097583 1097584 1097585...

qemu security update

CentOS Errata and Security Advisory CESA-2019:1178 An update for qemu-kvm is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severit...

Intel ZombieLoad Side-Channel Attack: 10 Takeaways

Intel on Tuesday revealed a new class of speculative execution vulnerabilities, dubbed Microarchitectural Data Sampling MDS, which impact all its modern CPUs. The flaws all ultimately depend on different ways of executing side channel attacks to siphon data from impacted systems – and result in...

Zombieload: Intel CPU exposure of a new side channel attack-exploit warning-the black bar safety net

! Security personnel recently discovered for Intel processor of the new side channel attack, which is also following the earlier Meltdown, the Spectre and Foreshadow after a fairly serious security problems. This vulnerability may allow an attacker to obtain the current processor is processing th...

Debian DSA-4444-1 : linux - security update (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

Multiple researchers have discovered vulnerabilities in the way the Intel processor designs have implemented speculative forwarding of data filled into temporary microarchitectural structures buffers. This flaw could allow an attacker controlling an unprivileged process to read sensitive...

SUSE SLED15 / SLES15 Security Update : xen (SUSE-SU-2019:1248-1) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

This update for xen fixes the following issues : 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: Microarchitectural Fill Buffer Data Sampling MFBDS...

RHEL 7 : qemu-kvm (RHSA-2019:1189)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:1189 advisory. Kernel-based Virtual Machine KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide th...

SUSE SLED15 / SLES15 Security Update : ucode-intel (SUSE-SU-2019:1236-1) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

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 MSBDS...

RHEL 6 : qemu-kvm (RHSA-2019:1198)

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:1198 advisory. Kernel-based Virtual Machine KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide th...

SUSE SLES12 Security Update : kernel (SUSE-SU-2019:1242-1) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

The SUSE Linux Enterprise 12 SP4 Azure 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:...

hardware: Microarchitectural Fill Buffer Data Sampling (MFBDS)

A flaw was found in the implementation of the "fill buffer", a mechanism used by modern CPUs when a cache-miss is made on L1 CPU cache. If an attacker can generate a load operation that would create a page fault, the execution will continue speculatively with incorrect data from the fill buffer...

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...

hardware: Microarchitectural Fill Buffer Data Sampling (MFBDS)

A flaw was found in the implementation of the "fill buffer", a mechanism used by modern CPUs when a cache-miss is made on L1 CPU cache. If an attacker can generate a load operation that would create a page fault, the execution will continue speculatively with incorrect data from the fill buffer...

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...

hardware: Microarchitectural Fill Buffer Data Sampling (MFBDS)

A flaw was found in the implementation of the "fill buffer", a mechanism used by modern CPUs when a cache-miss is made on L1 CPU cache. If an attacker can generate a load operation that would create a page fault, the execution will continue speculatively with incorrect data from the fill buffer...

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...

Important: Red Hat Security Advisory: rhvm-setup-plugins security update

An update for rhvm-setup-plugins is now available for Red Hat Virtualization 4.2. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

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...

hardware: Microarchitectural Fill Buffer Data Sampling (MFBDS)

A flaw was found in the implementation of the "fill buffer", a mechanism used by modern CPUs when a cache-miss is made on L1 CPU cache. If an attacker can generate a load operation that would create a page fault, the execution will continue speculatively with incorrect data from the fill buffer...