512 matches found
Important: Red Hat Security Advisory: qemu-kvm-rhev security and bug fix update
An update for qemu-kvm-rhev is now available for Red Hat Virtualization 4 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 severity rating, is...
Important: Red Hat Security Advisory: libvirt security and bug fix update
An update for libvirt 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 severity rating, is available for each vulnerability from t...
June 12, 2018—KB4284860 (OS Build 10240.17889)
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June 12, 2018—KB4284826 (Monthly Rollup)
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June 12, 2018—KB4284867 (Security-only update)
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MGASA-2018-0260 Updated microcode packages fix security vulnerability
This update adds microcode fixes and mitigations for Spectre CVE-2017-5715 for the following: Intel Pentium Silver N/J5xxx, Celeron N/J4xxx Intel Xeon E5/E7 v4; Core i7-69xx/68xx Amd has also released their updated microcode for Fam15 and Fam17 cpus...
New Spectre (Variant 4) CPU Flaw Discovered—Intel, ARM, AMD Affected
Security researchers from Microsoft and Google have discovered a fourth variant of the data-leaking Meltdown-Spectre security flaws impacting modern CPUs in millions of computers, including those marketed by Apple. Variant 4 comes weeks after German computer magazine Heise reported about a set of...
Microsoft Guidance for Speculative Store Bypass
Executive summary On January 3, 2018, Microsoft released an advisory and security updates related to a newly-discovered class of hardware vulnerabilities known as Spectre and Meltdown involving speculative execution side channels that affect AMD, ARM, and Intel CPUs to varying degrees. On May 21s...
hw: cpu: speculative execution permission faults handling
An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions a commonly used performance optimization. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Variant...
hw: cpu: speculative execution permission faults handling
An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions a commonly used performance optimization. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Variant...
May 8, 2018—KB4103723 (OS Build 14393.2248) - EXPIRED
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8 New Spectre-Class Vulnerabilities (Spectre-NG) Found in Intel CPUs
A team of security researchers has reportedly discovered a total of eight new "Spectre-class" vulnerabilities in Intel CPUs, which also affect at least a small number of ARM processors and may impact AMD processor architecture as well. Dubbed Spectre-Next Generation , or Spectre-NG , the partial...
AMD Rolls Out Spectre Fixes
AMD said that CPU firmware and Windows 10 patches are now available to safeguard its products against the Spectre security flaw. Mark Papermaster, senior vice president and chief technology officer at AMD, said in a Tuesday post that Spectre fixes are available for AMD customers, who can download...
Intel Admits It Won't Be Possible to Fix Spectre (V2) Flaw in Some Processors
As speculated by the researcher who disclosed Meltdown and Spectre flaws in Intel processors, some of the Intel processors will not receive patches for the Spectre variant 2 side-channel analysis attack In a recent microcode revision guidance PDF, Intel admits that it would not be possible to...
CVE-2018-8931
The AMD Ryzen, Ryzen Pro, and Ryzen Mobile processor chips have insufficient access control for the Secure Processor, aka RYZENFALL-1...
hw: cpu: speculative execution permission faults handling
An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions a commonly used performance optimization. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Variant...
January 18, 2018—KB4075199 (OS Build 10240.17741)
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January 17, 2018—KB4057142 (OS Build 14393.2034)
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January 17, 2018—KB4057144 (OS Build 15063.877)
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MGASA-2018-0077 Updated kernel-tmb packages fix security vulnerabilities
This kernel-tmb update is based on the upstream 4.14.13 and fixes several security issues. The most important fix in this update is for the security issue named "Meltdown" that is fixed in theese kernels by enabling kernel Page Table Isolation KTPI. Note that according to AMD, this issue does not...