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...

OracleVM 3.3 : xen (OVMSA-2018-0224) (Meltdown) (Spectre)

The remote OracleVM system is missing necessary patches to address critical security updates : please see Oracle VM Security Advisory OVMSA-2018-0224 for details. C Tenable Network Security, Inc. The package checks in this plugin were extracted from OracleVM Security Advisory OVMSA-2018-0224...

Intel’s ‘Virtual Fences’ Spectre Fix Won’t Protect Against Variant 4

Spectre and Meltdown fixes for Intel chips announced in March, to be embedded into new CPUs, do not address the newly disclosed Variant 4, sources said. Intel introduced hardware-based safeguards to its new chips to protect against the Spectre and Meltdown flaws that rocked the silicon industry...

OracleVM 3.4 : xen (OVMSA-2018-0218) (Meltdown) (Spectre)

The remote OracleVM system is missing necessary patches to address critical security updates : please see Oracle VM Security Advisory OVMSA-2018-0218 for details. C Tenable Network Security, Inc. The package checks in this plugin were extracted from OracleVM Security Advisory OVMSA-2018-0218...

AMD / ARM / Intel - Speculative Execution Variant 4 Speculative Store Bypass Exploit

Exploit for hardware platform in category dos / poc / ======== 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...

Researchers Say More Spectre-Related CPU Flaws On Horizon

After another speculative execution side channel-related flaw has been disclosed in processors, security experts say that more may be on the horizon. Researchers on Monday disclosed Variant 4, a new speculative execution side channel category flaw that allows attackers to read privileged data...

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...

New Spectre (Variant 4) CPU Flaw Discovered—Intel, ARM, AMD Affected

Security researchers from Microsoft and Google have discovered a fourth variant of the data-leaking Meltdown-Spectre security flaws impacting modern CPUs in millions of computers, including those marketed by Apple. Variant 4 comes weeks after German computer magazine Heise reported about a set of...

CVE-2018-3640

creationtimestamp| type| source ---|---|--- 2018-05-22 07:26:30+00:00| seen| https://t.me/N0iSeBit/55 2018-06-18 10:12:13+00:00| seen| https://t.me/SecLabNews/2448 2018-10-20 18:57:59+00:00| seen| https://t.me/offzonemoscow/27 2018-12-31 06:05:10+00:00| seen|...

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...

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...

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...

Microsoft Guidance for Rogue System Register Read

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 May 21,...

Analysis and mitigation of speculative store bypass (CVE-2018-3639)

In January, 2018, Microsoft published an advisory and security updates for a new class of hardware vulnerabilities involving speculative execution side channels known as Spectre and Meltdown. In this blog post, we will provide a technical analysis of an additional subclass of speculative executio...

KLA11893 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. Also, a new subclass of speculative execution side channel vulnerabilities known as Speculative Store Bypass SSB has been announced and assigned...

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 ...

KLA11030 Speculative Store Bypass and Rogue System Register Read vulnerabilities in Microsoft Surface Products

On January 3, 2018, Microsoft released advisories and security updates related to a recently discovered class of hardware vulnerabilities known as Spectre and Meltdown that affect AMD, ARM, and Intel CPUs. On May 21, 2018, Intel announced the Rogue System Registry Read vulnerability. Also a new...

RHEL 7 : kernel-alt (RHSA-2018:1374)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:1374 advisory. The kernel-alt packages provide the Linux kernel version 4.x. Security Fixes: kernel: ptrace incorrect error handling leads to corruption an...

Debian DSA-4201-1 : xen - security update

Multiple vulnerabilities have been discovered in the Xen hypervisor : - CVE-2018-8897 Andy Lutomirski and Nick Peterson discovered that incorrect handling of debug exceptions could result in privilege escalation. - CVE-2018-10471 An error was discovered in the mitigations against Meltdown which...

Meltdown and Spectre update for WildFire-500 Appliance

Palo Alto Networks has determined that the WildFire-500 WF-500 appliance is affected by the vulnerability disclosures known as Meltdown and Spectre, and has completed an update to address these issues. The WF-500 software update is now available to customers that use the WF-500 appliance for...