Moderate: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel 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 Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

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

An update for kernel is now available for Red Hat Enterprise Linux 6.7 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...

May 8, 2018—KB4103723 (OS Build 14393.2248) - EXPIRED

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First-Ever Ransomware Found Using 'Process Doppelgänging' Attack to Evade Detection

Security researchers have spotted the first-ever ransomware exploiting Process Doppelgänging , a new fileless code injection technique that could help malware evade detection. The Process Doppelgänging attack takes advantage of a built-in Windows function, i.e., NTFS Transactions, and an outdated...

SynAck targeted ransomware uses the Doppelgänging technique

The Process Doppelgänging technique was first presented in December 2017 at the BlackHat conference. Since the presentation several threat actors have started using this sophisticated technique in an attempt to bypass modern security solutions. In April 2018, we spotted the first ransomware...

Debian: Security Advisory (DLA-1369-1)

The remote host is missing an update for the Debian 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...

Debian DSA-4188-1 : linux - security update (Spectre)

Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks. - CVE-2017-5715 Multiple researchers have discovered a vulnerability in various processors supporting speculative execution, enabling an attacker...

[SECURITY] [DSA 4187-1] linux security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4187-1 [email protected] https://www.debian.org/security/ Ben Hutchings May 01, 2018 https://www.debian.org/security/faq -...

A week in security (April 23 – April 29)

Last week, we dug into behavioral biometrics, explored a new crossrider variant, and embraced the power of "no." We also launched another CrackMe challenge, took a deep dive into smart toys, and finished up with a look at digital privacy in the age of IoT. Other news LinkedIn does battle with...

Kernel update: new kernel 3.10.0-693.21.1.vz7.46.7, Virtuozzo 7.0 Update 7 Hotfix 2 (7.0.7-453)

The Hotfix 2 for Virtuozzo 7.0 Update 7 provides a new kernel 3.10.0-693.21.1.vz7.46.7 that introduces stability and usability bug fixes. In addition, this kernel was recompiled by the updated gcc with retpolines support. Retpolines are a technique used by the kernel to reduce overhead of...

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

An update for kernel is now available for Red Hat Enterprise Linux 5.9 Long Life. 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 each...

[SECURITY] [DLA 1362-1] gcc-4.9-backport new package

Package : gcc-4.9-backport Version : 4.9.2-10+deb7u1 GCC 4.9 has been packaged as gcc-4.9-backport for Debian 7. This package will be needed by future updates to linux, and possibly other packages, to implement the "retpoline" mitigation for CVE-2017-5715 Spectre variant 2. Further information...

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

An update for kernel is now available for Red Hat Enterprise Linux 7.2 Advanced Update Support, Red Hat Enterprise Linux 7.2 Telco Extended Update Support, and Red Hat Enterprise Linux 7.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impac...

[SECURITY] [DSA 4179-1] linux-tools security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4179-1 [email protected] https://www.debian.org/security/ Ben Hutchings April 24, 2018 https://www.debian.org/security/faq -...

Debian DLA-1349-1 : linux-tools security update

This update doesn't fix a vulnerability in linux-tools, but provides support for building Linux kernel modules with the 'retpoline' mitigation for CVE-2017-5715 Spectre variant 2. This update also includes bug fixes from the upstream Linux 3.2 stable branch up to and including 3.2.101. For Debian...

Debian: Security Advisory (DLA-1349-1)

The remote host is missing an update for the Debian 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...

Mirai Variant Targets Financial Sector With IoT DDoS Attacks

A variant of the Mirai botnet was used to launch a series of distributed denial of service campaigns against financial sector businesses. The attacks utilized at least 13,000 hijacked IoT devices generating traffic volumes up to 30 Gbps, considerably less intense than the original Mirai assaults...

Kernel security update: CVE-2017-18017 and other; new kernel 2.6.32-042stab128.2 for Virtuozzo Containers for Linux 4.7, Server Bare Metal 5.0

This update provides a new Virtuozzo Containers for Linux 4.7 and Server Bare Metal 5.0 kernel 2.6.32-042stab128.2 that is a rebase to the Red Hat Enterprise Linux 6.9 kernel 2.6.32-696.23.1.el6. This kernel was recompiled by the updated gcc with retpolines support. Retpolines are a technique use...

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...

SUSE-SU-2018:0757-1 Security update for crash

This update for crash fixes the following issues: - Exclude openSUSE from RT KMP build bsc1013843 This update also rebuilds the crash kernel module packages with retpoline support to mitigate Spectre Variant 2. bsc1068032 CVE-2017-5715...