USN-3540-1 linux, linux-aws, linux-euclid 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...

OracleVM 3.4 : microcode_ctl (OVMSA-2018-0013) (Spectre)

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

RHEL 6 : libvirt (RHSA-2018:0109) (Spectre)

An update for libvirt is now available for Red Hat Enterprise Linux 6.6 Advanced Update Support and Red Hat Enterprise Linux 6.6 Telco Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base...

USN-3531-2: Intel Microcode regression

USN-3531-1 updated Intel microcode to the 20180108 release. Regressions were discovered in the microcode updates which could cause system instability on certain hardware platforms. At the request of Intel, we have reverted to the previous packaged microcode version, the 20170707 release. Original...

Scientific Linux Security Update : microcode_ctl on SL6.x, SL7.x i386/x86_64 (20180116) (Spectre)

This update supersedes the previous microcode update provided with the CVE-2017-5715 Spectre CPU branch injection vulnerability mitigation. Further testing has uncovered problems with the microcode provided along with the Spectre mitigation that could lead to system instabilities. As a result, th...

CentOS 6 / 7 : microcode_ctl (CESA-2018:0093) (Spectre)

An update for microcodectl is now available for Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 6.2 Advanced Update Support, Red Hat Enterprise Linux 6.4 Advanced Update Support, Red Hat Enterprise Linux 6.5 Advanced Update Support, Red Hat Enterprise Linux 6.6 Advanced Update Support, Red H...

Scientific Linux Security Update : linux-firmware on SL7.x (noarch) (20180116) (Spectre)

This update supersedes the previous microcode update provided with the CVE-2017-5715 Spectre CPU branch injection vulnerability mitigation. Further testing has uncovered problems with the microcode provided along with the Spectre mitigation that could lead to system instabilities. As a result, th...

microcode_ctl security update

CentOS Errata and Security Advisory CESA-2018:0093 The microcodectl packages provide microcode updates for Intel and AMD processors. This update supersedes microcode provided by Red Hat with the CVE-2017-5715 “Spectre” CPU branch injection vulnerability mitigation. Historically, Red Hat has...

(RHSA-2018:0094) Important: linux-firmware security update

The linux-firmware packages contain all of the firmware files that are required by various devices to operate. This update supersedes microcode provided by Red Hat with the CVE-2017-5715 “Spectre” CPU branch injection vulnerability mitigation. Historically, Red Hat has provided updated microcode,...

SUSE-SU-2018:0114-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP1 LTSS kernel was updated to receive various security and bugfixes. This update is only provided as a fix update for IBM Z platform. - CVE-2017-5753 / 'Spectre Attack': IBM Z fixes were included but not enabled in the previous update. This update enables those fixes...

Updated microcode packages fix security vulnerabilities

This update provides microcode fixes and mitigations for Spectre CVE-2017-5715 for many Intel CPUs produced in the last 5 years. So far the Intel microcode updates are for several processors from the Haswell, Broadwell, Skylake, Kaby Lake, Coffee Lake, Gemini Lake, Apollo Lake, Crystal Well and I...

Ubuntu 14.04 LTS / 16.04 LTS : Intel Microcode update (USN-3531-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-3531-1 advisory. It was discovered that microprocessors utilizing speculative execution and branch prediction may allow unauthorized memory reads via sidechannel...

OracleVM 3.4 : Unbreakable / etc (OVMSA-2018-0007) (Spectre)

The remote OracleVM system is missing necessary patches to address critical security updates : - x86/ibrs: Remove 'ibrsdump' and remove the prdebug Konrad Rzeszutek Wilk Orabug: 27350825 - kABI: Revert kABI: Make the bootcpudata look normal Konrad Rzeszutek Wilk CVE-2017-5715 - userns: prevent...

USN-3531-1 intel-microcode 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. A local attacker could use this to expose sensitive information, including kernel memory. CVE-2017-5715 This...

Home Download Photon OS User Documentation FAQ Security Advisories Related Information Lightwave - PHSA-2018-1.0-0098

An update of linux packages for PhotonOS has been released. This kernel update mitigates vulnerabilities CVE-2017-5753 and CVE-2017-5715 which are referred to as the variants of Spectre vulnerability...

RHEL 7 : qemu-kvm-rhev (RHSA-2018:0028)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2018:0028 advisory. KVM Kernel-based Virtual Machine is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the...

Mozilla Firefox < 57.0.4 Speculative Execution Side-Channel Attack Vulnerability (Spectre) (macOS)

The version of Mozilla Firefox installed on the remote macOS or Mac OS X host is prior to 57.0.4. It is, therefore, vulnerable to a speculative execution side-channel attack. Code from a malicious web page could read data from other web sites or private data from the browser itself. C Tenable...

RHEL 6 : microcode_ctl (RHSA-2018:0038) (Spectre)

An update for microcodectl is now available for Red Hat Enterprise Linux 6.4 Advanced Update Support. 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 availabl...

RHEL 7 : microcode_ctl (RHSA-2018:0034) (Spectre)

An update for microcodectl is now available for Red Hat Enterprise Linux 7.3 Extended Update Support. 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 availabl...

Spectre Information Disclosure Proof Of Concept

include include include ifdef MSCVER include / for rdtscp and clflush / pragma optimize"gt",on else include / for rdtscp and clflush / endif / Victim code. / unsigned int array1size = 16; uint8t unused164; uint8t array1160 = 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ; uint8t unused264; uint8t...