Updated kernel packages fix security vulnerabilities

This kernel update is based on the upstream 4.4.111 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...

Updated kernel packages fix security vulnerabilities

This kernel 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 KPTI. Note that according to AMD, this issue does not...

MGASA-2018-0076 Updated kernel packages fix security vulnerabilities

This kernel 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 KPTI. Note that according to AMD, this issue does not...

Updated kernel-tmb packages fix security vulnerabilities

This kernel-tmb update is based on the upstream 4.4.111 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...

Updated kernel-linus packages fix security vulnerabilities

This kernel-linus update provides the upstream 4.4.111 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...

MGASA-2018-0079 Updated microcode packages fix security vulnerabilities

This update provides microcode fixes and mitigations for Spectre CVE-2017-5715 for many Intel CPUs produced in the last 5 years. So far the Intel microcode updates are for several processors from the Haswell, Broadwell, Skylake, Kaby Lake, Coffee Lake, Gemini Lake, Apollo Lake, Crystal Well and I...

OracleVM 3.4 : Unbreakable / etc (OVMSA-2018-0007) (Spectre)

The remote OracleVM system is missing necessary patches to address critical security updates : - x86/ibrs: Remove 'ibrsdump' and remove the prdebug Konrad Rzeszutek Wilk Orabug: 27350825 - kABI: Revert kABI: Make the bootcpudata look normal Konrad Rzeszutek Wilk CVE-2017-5715 - userns: prevent...

Microsoft’s Jan. 2018 Patch Tuesday Lowdown

Microsoft on Tuesday released 14 security updates, including fixes for the Spectre and Meltdown flaws detailed last week, as well as a zero-day vulnerability in Microsoft Office that is being exploited in the wild. Separately, Adobe pushed a security update to its Flash Player software. Last week...

Fedora 26 : linux-firmware (2018-c4670f2981)

Microcode update for AMD cpus Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. %NASLMINLEVEL 70300 ...

Multiple CPUs - Information Leak Using Speculative Execution

Multiple CPUs - Information Leak Using Speculative Execution == INTRODUCTION == This is a bug report about a CPU security issue that affects processors by Intel, AMD and to some extent ARM. I have written a PoC for this issue that, when executed in userspace on an Intel Xeon CPU E5-1650 v3 machin...

Multiple CPUs - Information Leak Using Speculative Execution Exploit

Exploit for hardware platform in category dos / poc == INTRODUCTION == This is a bug report about a CPU security issue that affects processors by Intel, AMD and to some extent ARM. I have written a PoC for this issue that, when executed in userspace on an Intel Xeon CPU E5-1650 v3 machine with a...

Multiple CPUs - Information Leak Using Speculative Execution

== INTRODUCTION == This is a bug report about a CPU security issue that affects processors by Intel, AMD and to some extent ARM. I have written a PoC for this issue that, when executed in userspace on an Intel Xeon CPU E5-1650 v3 machine with a modern Linux kernel, can leak around 2000 bytes per...

Anti-Virus Updates Required Ahead of Microsoft’s Meltdown, Spectre Patches

Microsoft said it is holding off delivering security updates to Windows PCs for Spectre and Meltdown CPU flaws until hosted anti-virus software confirms it does not make unsupported calls into Windows kernel memory. Affected are PCs running certain AV products that bypass Windows built-in Kernel...

SUSE-SU-2018:0051-1 Security update for kernel-firmware

This update for kernel-firmware fixes the following issues: - Add microcodeamdfam17h.bin bsc1068032 CVE-2017-5715 This new firmware enables the Indirect Branch Control IBC feature on AMD family 17h processor to mitigate an attack on the branch predictor that could lead to information disclosure...

January 3, 2018—KB4056890 (OS Build 14393.2007)

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January 3, 2018—KB4056892 (OS Build 16299.192)

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January 3, 2018—KB4056888 (OS Build 10586.1356)

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RHEL 7 : redhat-virtualization-host (RHSA-2018:0044) (Meltdown) (Spectre)

An update for redhat-virtualization-host is now available for RHEV 3.X Hypervisor and Agents for RHEL-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...

The vulnerabilities of Intel, ARM, and AMD processors stem from the unique workings of the branch prediction module, which allows attackers to exploit the protected information.

The vulnerabilities of Intel, ARM, and AMD processors are related to the characteristics of the branch prediction module’s operation. Exploiting these vulnerabilities allows attackers to gain access to protected memory from a program that does not have the necessary privileges, by creating...

RHEL 7 : rhvm-appliance (RHSA-2018:0045) (Meltdown) (Spectre)

An update for rhvm-appliance is now available for RHEV 4.X, RHEV-H, and Agents 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...