July 9, 2019—KB4507464 (Security-only update)

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July 9, 2019—KB4507469 (OS Build 17763.615)

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July 9, 2019—KB4507457 (Security-only update)

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July 9, 2019—KB4507456 (Security-only update)

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July 9, 2019—KB4507452 (Monthly Rollup)

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SWAPGS Spectre Side-Channel Vulnerability

The Cybersecurity and Infrastructure Security Agency CISA is aware of a vulnerability CVE-2019-1125 known as SWAPGS, which is a variant of Spectre Variant 1—that affects modern computer processors. This vulnerability can be exploited to steal sensitive data present in a computer systems' memory...

Unbreakable Enterprise kernel security update

4.14.35-1902.3.2 - x86/speculation: Exclude ATOMs from speculation through SWAPGS Thomas Gleixner Orabug: 29967570 CVE-2019-1125 - x86/speculation: Enable Spectre v1 swapgs mitigations Josh Poimboeuf Orabug: 29967570 CVE-2019-1125 - x86/speculation: Prepare entry code for Spectre v1 swapgs...

Unbreakable Enterprise kernel security update

4.1.12-124.29.3.1 - x86/speculation: Exclude ATOMs from speculation through SWAPGS Thomas Gleixner Orabug: 29967571 CVE-2019-1125 - x86/speculation: Enable Spectre v1 swapgs mitigations Josh Poimboeuf Orabug: 29967571 CVE-2019-1125 - x86/speculation: Prepare entry code for Spectre v1 swapgs...

Microsoft Lab Offers $300K For Working Azure Exploits

Las Vegas – In an attempt to sniff out bugs in its Azure cloud platform, Microsoft announced at Black Hat USA 2019 on Monday that it will offer rewards of up to $300,000 for researchers who launch successful test exploits for the platform. Microsoft has launched a dedicated Azure cloud host testi...

Medium: kernel

Issue Overview: There is a newly discovered variant side-channel attack of Spectre V1 which leverages SWAPGS instructions to bypass KPTI/KVA mitigations. This could lead to a kernel information disclosure. CVE-2019-1125 Affected Packages: kernel Note: This advisory is applicable to Amazon Linux 2...

Medium: kernel

Issue Overview: There is a newly discovered variant side-channel attack of Spectre V1 which leverages SWAPGS instructions to bypass KPTI/KVA mitigations. This could lead to a kernel information disclosure Affected Packages: kernel Issue Correction: Run yum update kernel or yum update --advisory...

Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 8. 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 th...

Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 7.4 Extended Update Support. 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...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 5 Extended Lifecycle Support. 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...

openSUSE Security Update : ucode-intel (openSUSE-2019-1806) (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 MSB...

CVE-2019-9815

If hyperthreading is not disabled, a timing attack vulnerability exists, similar to previous Spectre attacks. Apple has shipped macOS 10.14.5 with an option to disable hyperthreading in applications running untrusted code in a thread through a new sysctl. Firefox now makes use of it on the main...

Design/Logic Flaw

If hyperthreading is not disabled, a timing attack vulnerability exists, similar to previous Spectre attacks. Apple has shipped macOS 10.14.5 with an option to disable hyperthreading in applications running untrusted code in a thread through a new sysctl. Firefox now makes use of it on the main...

CVE-2019-9815

If hyperthreading is not disabled, a timing attack vulnerability exists, similar to previous Spectre attacks. Apple has shipped macOS 10.14.5 with an option to disable hyperthreading in applications running untrusted code in a thread through a new sysctl. Firefox now makes use of it on the main...

CVE-2019-9815

If hyperthreading is not disabled, a timing attack vulnerability exists, similar to previous Spectre attacks. Apple has shipped macOS 10.14.5 with an option to disable hyperthreading in applications running untrusted code in a thread through a new sysctl. Firefox now makes use of it on the main...

CVE-2019-9815

CVE-2019-9815 describes a timing-attack similar to Spectre when hyperthreading is not disabled. Affected: macOS content threads (macOS 10.14.5 introduces a sysctl option to disable hyperthreading for untrusted code on the main or worker JavaScript threads), and affected Firefox/Thunderbird versio...