Fedora 27 : kernel (2018-262eb7c289)

The 4.14.14 stable update contains a number of important fixes across the tree. This update also includes some PPC mitigations, and has been built with a retpoline capable compiler for improved Spectre mitigation on x8664. Note that Tenable Network Security has extracted the preceding description...

USN-3540-2: Linux kernel (Xenial HWE) vulnerabilities

USN-3540-1 addressed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. Jann Horn discovered that microprocessors utilizing speculative execution and bran...

USN-3541-1: Linux kernel vulnerabilities

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...

Ubuntu: Security Advisory (USN-3540-1)

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...

Ubuntu 14.04 LTS : Linux kernel (Xenial HWE) vulnerabilities (USN-3540-2)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3540-2 advisory. USN-3540-1 addressed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware...

Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-3540-1)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3540-1 advisory. Jann Horn discovered that microprocessors utilizing speculative execution and branch prediction may allow unauthorized memory reads via sidechannel...

Ubuntu 17.10 : linux vulnerabilities (USN-3541-1) (Meltdown) (Spectre)

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...

Windows システム上の Spectre および Meltdown に対する緩和策のパフォーマンスへの影響について

本記事は、Microsoft Secure ブログ “Understanding the performance impact of Spectre and Meltdown mitigations on Windows Systems”...

Fedora 26 : kernel (2018-e6fe35524d)

The 4.14.13 stable kernel update contains a number of important fixes across the tree. This is also the first update to contain some spectre mitigations. Some patches for variant 1 as well as the initial retpoline build for variant 2. These variant 2 mitigations will improve with further patches,...

Fedora 27 : kernel (2018-21a7ad920c)

The 4.14.13 stable kernel update contains a number of important fixes across the tree. This is also the first update to contain some spectre mitigations. Some patches for variant 1 as well as the initial retpoline build for variant 2. These variant 2 mitigations will improve with further patches,...

MGASA-2018-0082 Updated webkit2 packages fix security vulnerabilities

The webkit2 package has been updated to version 2.18.5, containing Spectre mitigations...

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...

Understanding the performance impact of Spectre and Meltdown mitigations on Windows Systems

Last week the technology industry and many of our customers learned of new vulnerabilities in the hardware chips that power phones, PCs and servers. We and others in the industry had learned of this vulnerability under nondisclosure agreement several months ago and immediately began developing...

Understanding the performance impact of Spectre and Meltdown mitigations on Windows Systems

Last week the technology industry and many of our customers learned of new vulnerabilities in the hardware chips that power phones, PCs and servers. We and others in the industry had learned of this vulnerability under nondisclosure agreement several months ago and immediately began developing...

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...

Microsoft Windows - nt!NtQueryInformationProcess (information class 76_ QueryProcessEnergyValues) Kernel Stack Memory Disclosure

Microsoft Windows - nt!NtQueryInformationProcess information class 76 QueryProcessEnergyValues Kernel Stack Memory Disclosure / We have discovered that the nt!NtQueryInformationProcess system call invoked with the 76 information class discloses portions of uninitialized kernel stack memory to...

Microsoft Windows - nt!NtQueryInformationProcess (information class 76, QueryProcessEnergyValues) Ke

Exploit for windows platform in category dos / poc / We have discovered that the nt!NtQueryInformationProcess system call invoked with the 76 information class discloses portions of uninitialized kernel stack memory to user-mode clients. The specific information class is handled by an internal...

Microsoft Windows - 'nt!NtQueryInformationProcess (information class 76_ QueryProcessEnergyValues)' Kernel Stack Memory Disclosure

/ We have discovered that the nt!NtQueryInformationProcess system call invoked with the 76 information class discloses portions of uninitialized kernel stack memory to user-mode clients. The specific information class is handled by an internal nt!PsQueryProcessEnergyValues function. While we don'...

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...

SUSE SLES12 Security Update : kernel (SUSE-SU-2018:0031-1) (Meltdown) (Spectre)

The SUSE Linux Enterprise 12 SP1 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 / 'SpectreAttack': Local...