CVE-2018-3640

Systems with microprocessors utilizing speculative execution and that perform speculative reads of system registers may allow unauthorized disclosure of system parameters to an attacker with local user access via a side-channel analysis, aka Rogue System Register Read RSRE, Variant 3a...

SUSE-SU-2018:1363-1 Security update for qemu

This update for qemu fixes several issues. This security issue was fixed: - CVE-2018-3639: Spectre v4 vulnerability mitigation support for KVM guests bsc1092885. Systems with microprocessors utilizing speculative execution and speculative execution of memory reads before the addresses of all prio...

CVE-2018-3639

Systems with microprocessors utilizing speculative execution and speculative execution of memory reads before the addresses of all prior memory writes are known may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis, aka Speculative Stor...

hw: cpu: speculative store bypass

An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of Load & Store instructions a commonly used performance optimization. It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the...

CPU hardware utilizing speculative execution may be vulnerable to cache side-channel attacks

Overview CPU hardware utilizing speculative execution may be vulnerable to cache timing side-channel analysis. Two vulnerabilities are identified, known as "Variant 3a" and "Variant 4". Description Speculative execution is a technique used by many modern processors to improve performance by...

PT-2018-2467

Name of the Vulnerable Software and Affected Versions Systems with microprocessors affected versions not specified Description The issue is related to microprocessors utilizing speculative execution and branch prediction, which may allow unauthorized disclosure of information to an attacker with...

PT-2018-2484

Name of the Vulnerable Software and Affected Versions Intel and ARM microprocessors affected versions not specified Description The issue is related to the use of speculative execution and reading from memory before the addresses of all prior memory writes are known. This may allow an attacker wi...

CVE-2018-9056

Systems with microprocessors utilizing speculative execution may allow unauthorized disclosure of information to an attacker with local user access via a side-channel attack on the directional branch predictor, as demonstrated by a pattern history table PHT, aka BranchScope...

CVE-2018-9056

CVE-2018-9056 (BranchScope) describes a side-channel vulnerability affecting processors using speculative execution, enabling local attackers to infer memory contents through the Branch Prediction Unit’s patterns, notably the Pattern History Table (PHT). Documents consistently reference a hardwar...

PT-2018-18818

Name of the Vulnerable Software and Affected Versions Systems with microprocessors affected versions not specified Description The issue allows unauthorized disclosure of information to an attacker with local user access via a side-channel attack on the directional branch predictor. This can be...

KVA Shadow: Mitigating Meltdown on Windows

On January 3rd, 2018, Microsoft released an advisory and security updates that relate to a new class of discovered hardware vulnerabilities, termed speculative execution side channels, that affect the design methodology and implementation decisions behind many modern microprocessors. This post...

KVA Shadow: Mitigating Meltdown on Windows

On January 3rd, 2018, Microsoft released an advisory and security updates that relate to a new class of discovered hardware vulnerabilities, termed speculative execution side channels, that affect the design methodology and implementation decisions behind many modern microprocessors. This post...

USN-3597-1: Linux kernel vulnerabilities

USNS 3541-1 and 3523-1 provided mitigations for Spectre and Meltdown CVE-2017-5715, CVE-2017-5753, CVE-2017-5754 for the i386, amd64, and ppc64el architectures in Ubuntu 17.10. This update provides the corresponding mitigations for the arm64 architecture. Original advisory details: Jann Horn...

Ubuntu 16.04 LTS : Linux kernel (HWE) vulnerabilities (USN-3597-2)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3597-2 advisory. USN-3597-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.10. This update provides the corresponding updates for the Linux Hardware Enablement H...

Ubuntu 14.04 LTS : Linux kernel vulnerability (USN-3594-1)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-3594-1 advisory. USN-3542-1 mitigated CVE-2017-5715 Spectre Variant 2 for the amd64 architecture in Ubuntu 14.04 LTS. This update provides the compiler-based retpoline kernel...

Ubuntu: Security Advisory (USN-3561-1)

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-3560-1)

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 / 16.04 LTS : QEMU update (USN-3560-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-3560-1 advisory. It was discovered that microprocessors utilizing speculative execution and branch prediction may allow unauthorized memory reads via sidechannel...

SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2018:0383-1) (Spectre)

The SUSE Linux Enterprise 12 SP3 kernel was updated to 4.4.114 to receive various security and bugfixes. The following security bugs were fixed : - CVE-2017-5715: Systems with microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized disclosure of...

USN-3560-1: QEMU update

It was discovered that microprocessors utilizing speculative execution and branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Spectre. An attacker in the guest could use this to expose sensitive guest information, including kernel memory. This...