DEBIAN-CVE-2018-12891

An issue was discovered in Xen through 4.10.x. Certain PV MMU operations may take a long time to process. For that reason Xen explicitly checks for the need to preempt the current vCPU at certain points. A few rarely taken code paths did bypass such checks. By suitably enforcing the conditions...

Important: Red Hat Security Advisory: libvirt security and bug fix update

An update for libvirt is now available for Red Hat Enterprise Linux 7.4 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 available for...

openSUSE Security Update : the Linux Kernel (openSUSE-2018-656) (Spectre)

The openSUSE Leap 42.3 was updated to 4.4.138 to receive various security and bugfixes. The following security bugs were fixed : - CVE-2018-3639: Systems with microprocessors utilizing speculative execution and speculative execution of memory reads before the addresses of all prior memory writes...

Debian DSA-4232-1 : xen - security update

This update provides mitigations for the 'lazy FPU' vulnerability affecting a range of Intel CPUs, which could result in leaking CPU register states belonging to another vCPU previously scheduled on the same CPU. For additional information please refer to...

OpenBSD Disables Intel Hyper-Threading to Prevent Spectre-Class Attacks

Security-oriented BSD operating system OpenBSD has decided to disable support for Intel's hyper-threading performance-boosting feature, citing security concerns over Spectre-style timing attacks. Introduced in 2002, Hyper-threading is Intel's implementation of Simultaneous Multi-Threading SMT tha...

[SECURITY] [DSA 4232-1] xen security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4232-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff June 20, 2018 https://www.debian.org/security/faq -...

Security Bulletin: IBM Information Server on Cloud is affected by the vulnerabilities known as Spectre and Meltdown.

Summary IBM Information Server on Cloud is affected by the vulnerabilities known as Spectre and Meltdown, which can enable CPU data cache timing to be abused to bypass conventional memory security restrictions to gain access to privileged memory that should be inaccessible. Vulnerability Details...

Microsoft Guidance for Lazy FP State Restore

Executive summary On January 3, 2018, Microsoft released an advisory and security updates related to a newly-discovered class of hardware vulnerabilities known as Spectre and Meltdown involving speculative execution side channels that affect AMD, ARM, and Intel CPUs to varying degrees. On June 13...

KLA11291 Microsoft Guidance for Lazy Floating Point State Restore

Speculative store bypass vulnerability in Microsoft Windows systems can be exploited to bypass security restrictions. On January 3, 2018, Microsoft released an advisory and security updates related to a newly-discovered class of hardware vulnerabilities known as Spectre and Meltdown involving...

KLA11891 Microsoft Advisory for Microsoft Products (ESU)

Microsoft released an advisory and security updates related to a newly-discovered class of hardware vulnerabilities known as Spectre and Meltdown. An additional vulnerability involving side channel speculative execution has been announced and assigned CVE-2018-3665. An attacker locally could caus...

U.S. Builds World's Fastest Supercomputer – Summit

China no longer owns the fastest supercomputer in the world; It is the United States now. Though China still has more supercomputers on the Top 500 list, the USA takes the crown of "world's fastest supercomputer" from China after IBM and the U.S. Department of Energy's Oak Ridge National Laborato...

openSUSE Security Update : glibc (openSUSE-2018-600)

This update for glibc fixes the following issues : This security issue was fixed : - Fixed an buffer overwrite issue in memcpy for Knights Landing CPUs boo1092877, CVE-2018-11237 %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were...

Security update for glibc (moderate)

This update for glibc fixes the following issues: This security issue was fixed: - Fixed an buffer overwrite issue in memcpy for Knights Landing CPUs boo1092877, CVE-2018-11237...

Updated kernel-tmb packages fix security vulnerabilities

This kernel-tmb update is based on the upstream 4.14.44 and fixes at least the following security issues: This update adds KPTI mitigation for Meltdown CVE-2017-5754 on 32bit x86. The netfilter subsystem in the Linux kernel through 4.15.7 mishandles the case of a rule blob that contains a jump bu...

MGASA-2018-0263 Updated kernel packages fix security vulnerabilities

This kernel update is based on the upstream 4.14.44 and fixes at least the following security issues: By mmaping a FUSE-backed file onto a process's memory containing command line arguments or environment strings, an attacker can cause utilities from psutils or procps such as ps, w or any other...

Updated microcode packages fix security vulnerability

This update adds microcode fixes and mitigations for Spectre CVE-2017-5715 for the following: Intel Pentium Silver N/J5xxx, Celeron N/J4xxx Intel Xeon E5/E7 v4; Core i7-69xx/68xx Amd has also released their updated microcode for Fam15 and Fam17 cpus...

[SECURITY] [DSA 4210-1] xen security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4210-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff May 25, 2018 https://www.debian.org/security/faq -...

Intel Responds to Spectre-Like Flaw In CPUs

Intel acknowledged that its processors are vulnerable to another dangerous speculative execution side channel flaw that could give attackers unauthorized read access to memory. The new vulnerability, disclosed by Google Project Zero and Microsoft’s Security Response Center, is called Variant 4, a...

CVE-2018-3639 - Citrix XenServer Security Update

Description of Problem CVE-2018-3639 Speculative Store Bypass Disable is an issue that may affect third-party software that runs in guest VMs on Citrix XenServer. This is not an issue caused by Citrix XenServer and Citrix is unaware of any means of exploiting this issue against XenServer itself...

KLA11253 Microsoft Advisory for Microsoft Windows

On January 3, 2018, Microsoft released an advisory and security updates related to a newly-discovered class of hardware vulnerabilities known as Spectre and Meltdown involving speculative execution side channels that affect AMD, ARM, and Intel CPUs to varying degrees. On May 21st, a new subclass ...