2668 matches found
USN-3655-2: Linux kernel (Trusty HWE) vulnerabilities
USN-3655-1 fixed vulnerabilities and added mitigations in the Linux kernel for Ubuntu 14.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 14.04 LTS for Ubuntu 12.04 ESM. Jann Horn and Ken Johnson discovered that microprocessors...
USN-3655-1: Linux kernel vulnerabilities
Jann Horn and Ken Johnson discovered that microprocessors utilizing speculative execution of a memory read may allow unauthorized memory reads via a sidechannel attack. This flaw is known as Spectre Variant 4. A local attacker could use this to expose sensitive information, including kernel memor...
USN-3655-1 linux vulnerabilities
Jann Horn and Ken Johnson discovered that microprocessors utilizing speculative execution of a memory read may allow unauthorized memory reads via a sidechannel attack. This flaw is known as Spectre Variant 4. A local attacker could use this to expose sensitive information, including kernel memor...
USN-3654-2 linux-lts-xenial, linux-aws vulnerabilities
USN-3654-1 fixed vulnerabilities and added mitigations 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 and Ken Johnson discovered that microprocessors...
USN-3654-2: Linux kernel (Xenial HWE) vulnerabilities
USN-3654-1 fixed vulnerabilities and added mitigations 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 and Ken Johnson discovered that microprocessors...
USN-3654-1: Linux kernel vulnerabilities
Jann Horn and Ken Johnson discovered that microprocessors utilizing speculative execution of a memory read may allow unauthorized memory reads via a sidechannel attack. This flaw is known as Spectre Variant 4. A local attacker could use this to expose sensitive information, including kernel memor...
USN-3654-1 linux, linux-aws, linux-kvm, vulnerabilities
Jann Horn and Ken Johnson discovered that microprocessors utilizing speculative execution of a memory read may allow unauthorized memory reads via a sidechannel attack. This flaw is known as Spectre Variant 4. A local attacker could use this to expose sensitive information, including kernel memor...
USN-3653-2 linux-hwe, linux-azure, linux-gcp, linux-oem vulnerabilities
USN-3653-1 fixed vulnerabilities and added mitigations in the Linux kernel for Ubuntu 17.10. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 17.10 for Ubuntu 16.04 LTS. Jann Horn and Ken Johnson discovered that microprocessors utilizing...
USN-3653-2: Linux kernel (HWE) vulnerabilities
USN-3653-1 fixed vulnerabilities and added mitigations in the Linux kernel for Ubuntu 17.10. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 17.10 for Ubuntu 16.04 LTS. Jann Horn and Ken Johnson discovered that microprocessors utilizing...
USN-3653-1: Linux kernel vulnerabilities
Jann Horn and Ken Johnson discovered that microprocessors utilizing speculative execution of a memory read may allow unauthorized memory reads via a sidechannel attack. This flaw is known as Spectre Variant 4. A local attacker could use this to expose sensitive information, including kernel memor...
USN-3652-1: Linux kernel vulnerability
Jann Horn and Ken Johnson discovered that microprocessors utilizing speculative execution of a memory read may allow unauthorized memory reads via a sidechannel attack. This flaw is known as Spectre Variant 4. A local attacker could use this to expose sensitive information, including kernel memor...
USN-3652-1 linux, linux-aws, linux-azure, linux-gcp, linux-kvm, linux-oem vulnerability
Jann Horn and Ken Johnson discovered that microprocessors utilizing speculative execution of a memory read may allow unauthorized memory reads via a sidechannel attack. This flaw is known as Spectre Variant 4. A local attacker could use this to expose sensitive information, including kernel memor...
CPU Side-Channel Information Disclosure Vulnerabilities: May 2018
On May 21, 2018, researchers disclosed two vulnerabilities that take advantage of the implementation of speculative execution of instructions on many modern microprocessor architectures to perform side-channel information disclosure attacks. These vulnerabilities could allow an unprivileged, loca...
Ubuntu: Security Advisory (USN-3654-1)
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: Security Advisory (USN-3653-2)
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...
AMD / ARM / Intel - Speculative Execution Variant 4 Speculative Store Bypass
/ ======== Intro / Overview ======== After Michael Schwarz made some interesting observations, we started looking into variants other than the three already-known ones. I noticed that Intel's Optimization Manual says in section 2.4.4.5 "Memory Disambiguation": A load instruction micro-op may depe...
Ubuntu: Security Advisory (USN-3653-1)
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...
Intel the reproduction of new vulnerabilities or be subjected to hackers implant attack script-vulnerability warning-the black bar safety net
5 on 22, reported,yesterday, Intel and Microsoft announced a Spectre and Meltdown security vulnerability, the new variant-the“variant 4”. The new variant is the use of“Speculative Store Bypass”, the defect enables the Processor chip to a potential unsafe area to disclose sensitive information...
AMD ARM Intel - Speculative Execution Variant 4 Speculative Store Bypass
AMD ARM Intel - Speculative Execution Variant 4 Speculative Store Bypass / ======== Intro / Overview ======== After Michael Schwarz made some interesting observations, we started looking into variants other than the three already-known ones. I noticed that Intel's Optimization Manual says in...
Ubuntu: Security Advisory (USN-3655-1)
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...