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

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

== 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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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...

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...

RHEL 6 / 7 : rhev-hypervisor7 (RHSA-2018:0046) (Meltdown) (Spectre)

An update for rhev-hypervisor7 is now available for RHEV 3.X Hypervisor and Agents for Red Hat Enterprise Linux 6 and RHEV 3.X Hypervisor and Agents for Red Hat Enterprise Linux 7 ELS. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability...

Meltdown and Spectre vulnerabilities

Challenge Veeam is aware of the side-channel analysis vulnerabilities known as Meltdown CVE-2017-5754 and Spectre CVE-2017-5753, CVE-2017-5715 affecting most of the modern processors. Cause For more information regarding these vulnerabilities please visit security advisories posted by Intel...

RHEL 6 : kernel-rt (RHSA-2018:0021)

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:0021 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirement...

SUSE-SU-2018:0041-1 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...

Meltdown and Spectre

Cisco Talos is aware of three new vulnerabilities impacting Intel, AMD, Qualcomm and ARM processors used by almost all computers. We are investigating these issues and although we have not observed exploitation of these vulnerabilities in the wild, that does not mean that it has not occurred. We...

OracleVM 3.4 : microcode_ctl (OVMSA-2018-0003)

The remote OracleVM system is missing necessary patches to address critical security updates : - Enable early microcode load to allow updating Broadwell model 79 - Make sure 'modprobe microcode' is not executed on Broadwell model 79 - Run dracut upon microcode update - Update Intel CPU microde fo...

Fedora 26 : dracut (2018-9bcc7b0b70)

Adds support for early microcode for AMD CPUs family = 0x17. Note: Intel CPU support is fine. To add the microcode to all your initramfs images: dracut --regenerate-all --force To only add it to the current kernel version: dracut --force Note that Tenable Network Security has extracted the...

Experts Weigh In On Spectre Patch Challenges

The race to patch against the Meltdown and Spectre processor vulnerabilities disclosed last week is on. As of today, there are no known exploits in the wild impacting vulnerable Intel, AMD and ARM devices. Currently, vendors are focused on three main mitigation efforts. Patches that address the...

AMD PSP fTPM Remote Code Execution Vulnerability

AMD PSP suffers from an fTPM remote code execution vulnerability that can be performed through a crafted EK certificate. Introduction ============ AMD PSP 1 is a dedicated security processor built onto the main CPU die. ARM TrustZone provides an isolated execution environment for sensitive and...