Fixing the Meltdown and Spectre vulnerabilities

Two days ago, Graz University of Technology published a paper describing a pair of attacks on common microprocessors. The underlying vulnerability affects Intel, AMD, and ARM processors. All contemporary microprocessors pre-execute instructions. In other words, the vulnerability bypasses address...

SUSE-SU-2018:0012-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP2 kernel was updated to receive various security and bugfixes. This update adds mitigations for various side channel attacks against modern CPUs that could disclose content of otherwise unreadable memory bnc1068032. - CVE-2017-5753 / 'SpecŧreAttack': Local attackers...

Important: Red Hat Security Advisory: kernel security update

An update for kernel 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...

RHEL 6 : kernel (RHSA-2018:0020)

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:0020 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: An industry-wide issue was found in th...

Scientific Linux Security Update : kernel on SL7.x x86_64 (20180103) (Meltdown) (Spectre)

Security Fixes : An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions a commonly used performance optimization. There are three primary variants of the issue which differ in the way the speculative execution can be...

RHEL 6 : kernel (RHSA-2018:0008) (Meltdown) (Spectre)

An update for kernel is now available for Red Hat Enterprise Linux 6. 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 vulnerability from th...

Important: Red Hat Security Advisory: kernel security 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...

(RHSA-2018:0011) Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions a commonly used performance optimization. There are three...

(RHSA-2018:0007) Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions a commonly used performance optimization. There are three...

Intel In Security Hot Seat Over Reported CPU Design Flaw

UPDATE Intel is grappling with what many experts are describing as a processor design flaw impacting CPUs used in Linux, Windows and some macOS systems. The reported flaw is tied to Intel’s kernel virtual memory system that could allow an attacker to access kernel-protected data such as passwords...

Guidance to mitigate speculative execution side-channel vulnerabilities

NOTE This advisory was revised on July 10, 2018. Some content has been removed for simplicity and because it is no longer relevant. You can view the archived content for ADV180002 in the FAQ section following the Affected Products table. Executive Summary Microsoft is aware of a new publicly...

Huge Flaws Affect Nearly Every Modern Device; Patch Could Hit CPU Performance

UPDATE: Researchers have finally disclosed complete technical details of two kernel side-channel attacks, Meltdown and Spectre—which affect not only Intel but also systems and devices running AMD, ARM processors—allowing attackers to steal sensitive data from the system memory. The first week of...

Cb Defense’s ‘Streaming Ransomware Prevention’ Stops Bad Rabbit in Its Tracks

On October 24, a large-scale ransomware campaign spread across Europe, in campaigns closely mimicking the NotPetya attacks from earlier this year. Bad Rabbit appeared to infect machines via a drive-by-download that prompted the user to download a fake Adobe Flash installer. No exploits were used...

openSUSE Security Update : mpg123 (openSUSE-2017-1035)

This update for mpg123 fixes the following issues : - Update to version 1.25.6 - Hotfix for bug 255: Overflow reading frame data bits in layer II decoding. Now, all-zero data is returned if the frame data is exhausted. This might have a slight impact on performance, but not easily measurable so...

SOL93600123 - OpenSSL vulnerability CVE-2016-2107

2 IPsec is vulnerable only in phase 1 IKE racoon, if configured to use AES-CBC. Vulnerability Recommended Actions If you are running a version listed in the Versions known to be vulnerable column, you can eliminate this vulnerability by upgrading to a version listed in the Versions known to be no...

Internet Bug Bounty: OpenSSL Key Recovery Attack on DH small subgroups (CVE-2016-0701)

Full write up: http://intothesymmetry.blogspot.ch/2016/01/openssl-key-recovery-attack-on-dh-small.html DH small subgroups CVE-2016-0701 ================================== Severity: High Historically OpenSSL usually only ever generated DH parameters based on "safe" primes. More recently in version...

Antivirus Exclusions for Veeam Agent for Microsoft Windows

Purpose This article documents antivirus exclusions that may be created to reduce the impact that antivirus software has on the functionality of Veeam Agent for Microsoft Windows. These antivirus exclusions may be applied to the Windows built-in antivirus or third-party antivirus software. Note:...

Debian DLA-104-1 : pdns-recursor security update

Florian Maury from ANSSI discovered a flaw in pdns-recursor, a recursive DNS server : a remote attacker controlling maliciously-constructed zones or a rogue server could affect the performance of pdns-recursor, thus leading to resource exhaustion and a potential denial of service. NOTE: Tenable...

Debian Security Advisory DSA 3184-1 (gnupg - security update)

Multiple vulnerabilities were discovered in GnuPG, the GNU Privacy Guard: CVE-2014-3591 The Elgamal decryption routine was susceptible to a side-channel attack discovered by researchers of Tel Aviv University. Ciphertext blinding was enabled to counteract it. Note that this may have a quite...

Moderate: Red Hat Security Advisory: openstack-neutron security, bug fix, and enhancement update

Updated openstack-neutron packages that fix one security issue, several bugs, and add various enhancements are now available for Red Hat Enterprise Linux OpenStack Platform 5.0 for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having Moderate security impact. A...