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...

Ubuntu 14.04 LTS : Linux kernel vulnerability (USN-3524-1)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-3524-1 advisory. Jann Horn discovered that microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized memory reads via sidechannel...

Ubuntu 16.04 LTS : Linux kernel vulnerability (USN-3522-1)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-3522-1 advisory. Jann Horn discovered that microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized memory reads via sidechannel...

Ubuntu 14.04 LTS : Linux (Xenial HWE) vulnerability (USN-3522-2)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-3522-2 advisory. USN-3522-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE...

[ASA-201801-10] intel-ucode: access restriction bypass

Arch Linux Security Advisory ASA-201801-10 ========================================== Severity: High Date : 2018-01-10 CVE-ID : CVE-2017-5715 Package : intel-ucode Type : access restriction bypass Remote : No Link : https://security.archlinux.org/AVG-582 Summary ======= The package intel-ucode...

Ubuntu 14.04 LTS / 16.04 LTS : NVIDIA graphics drivers vulnerability (USN-3521-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-3521-1 advisory. Jann Horn discovered that microprocessors utilizing speculative execution and branch prediction may allow unauthorized memory reads via sidechannel...

VMware vSphere, Workstation and Fusion updates add Hypervisor-Assisted Guest Remediation for speculative execution issue

New speculative-execution control mechanism for Virtual Machines Updates of vCenter Server, ESXi, Workstation and Fusion virtualize the new speculative-execution control mechanism for Virtual Machines VMs. As a result, a patched Guest Operating System Guest OS can remediate the Branch Target...

Ubuntu: Security Advisory (USN-3524-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2018 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

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...

USN-3524-1 linux vulnerability

Jann Horn discovered that microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Meltdown. A local attacker could use this to expose sensitive information, including kernel memory...

USN-3524-1: Linux kernel vulnerability

Jann Horn discovered that microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Meltdown. A local attacker could use this to expose sensitive information, including kernel memory...

USN-3522-1 linux, linux-aws, linux-euclid, linux-kvm vulnerability

Jann Horn discovered that microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Meltdown. A local attacker could use this to expose sensitive information, including kernel memory...

USN-3521-1 nvidia-graphics-drivers-384 vulnerability

Jann Horn discovered that microprocessors utilizing speculative execution and branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Spectre. A local attacker could use this to expose sensitive information, including kernel memory. This update provide...

Exploit for Observable Discrepancy in Intel Atom_C

Spectre attack Spectre breaks the isolatio...

The vulnerability of Intel and ARM processors is caused by a memory access control error during speculative execution of processor instructions, allowing attackers to disclose protected information.

The vulnerabilities of Intel and ARM processors stem from errors in memory access control during speculative execution of processor instructions. Exploiting these vulnerabilities allows attackers to gain access to protected memory from a program that does not have the necessary privileges. This i...

EulerOS 2.0 SP1 : kernel (EulerOS-SA-2018-1002)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - The recent speculative execution CVEs address three potential attacks across a wide variety of architectures and hardware platforms. - Note: Thi...

Security Bulletin: NVIDIA GeForce Experience (GFE) Security Updates for CPU Speculative Side Channel Vulnerabilities

NVIDIA GeForce Experience GFE response to CPU speculative side channel vulnerabilities - CVE-2017-5753, CVE-2017-5715, CVE-2017-5754 Bulletin Summary NVIDIA is providing an initial security update to mitigate aspects of Google Project Zero's January 3, 2018 publication of novel information...

Virtuozzo 7 : crit / criu / criu-devel / ksm-vz / libcompel / etc (VZA-2018-003)

According to the versions of the crit / criu / criu-devel / ksm-vz / libcompel / etc packages installed, the Virtuozzo installation on the remote host is affected by the following vulnerabilities : - CVE-2017-5715 triggers the speculative execution by utilizing branch target injection. It relies ...

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-2018:0040-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 11 SP3 LTSS kernel was updated to receive various security and bugfixes. This update adds mitigations for various side channel attacks against modern CPUs that could disclose content of otherwise unreadable memory bnc1068032. - CVE-2017-5753: Local attackers on systems...