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...

SUSE-SU-2018:0609-1 Security update for xen

This update for xen fixes several issues. These security issues were fixed: - CVE-2017-5753, CVE-2017-5715, CVE-2017-5754: Prevent information leaks via side effects of speculative execution, aka 'Spectre' and 'Meltdown' attacks bsc1074562, bsc1068032 - CVE-2018-5683: The vgadrawtext function...

MGASA-2018-0153 Updated libvirt packages fix security vulnerabilities

Updated libvirt packages fix security vulnerabilities: In virsh, the hostname could crafted maliciously with ssh arguments, which would be passed to ssh bsc1053600. The defaulttlsx509verify and related parameters in qemu.conf control whether the TLS servers in QEMU request & verify certificates...

Updated libvirt packages fix security vulnerabilities

Updated libvirt packages fix security vulnerabilities: In virsh, the hostname could crafted maliciously with ssh arguments, which would be passed to ssh bsc1053600. The defaulttlsx509verify and related parameters in qemu.conf control whether the TLS servers in QEMU request & verify certificates...

RHEL 5 : kernel (RHSA-2018:0292)

The remote Redhat Enterprise Linux 5 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:0292 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...

Debian DSA-4120-1 : linux - security update (Meltdown) (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...

SUSE-SU-2018:0525-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP1 LTSS kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2017-5715: Systems with microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized disclosure of information ...

USN-3580-1: Linux kernel 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...

Important: kernel

Issue Overview: Stack-based out-of-bounds read via vmcall instruction Linux kernel compiled with the KVM virtualization CONFIGKVM support is vulnerable to an out-of-bounds read access issue. It could occur when emulating vmcall instructions invoked by a guest. A guest user/process could use this...

Important: linux-firmware

Issue Overview: Speculative execution branch target injection 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 ...

Important: kernel

Issue Overview: Kernel address information leak in drivers/acpi/sbshc.c:acpismbushcadd function potentially allowing KASLR bypass The acpismbushcadd function in drivers/acpi/sbshc.c in the Linux kernel, through 4.14.15, allows local users to obtain sensitive address information by reading dmesg...

openSUSE Security Update : xen (openSUSE-2018-169) (Meltdown) (Spectre)

This update for xen fixes several issues. These security issues were fixed : - CVE-2017-5753, CVE-2017-5715, CVE-2017-5754: Prevent information leaks via side effects of speculative execution, aka 'Spectre' and 'Meltdown' attacks bsc1074562, bsc1068032 - CVE-2017-15595: x86 PV guest OS users were...

SUSE-SU-2018:0437-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 12 GA LTSS kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2017-5715: Systems with microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized disclosure of information t...

KB4074596: Windows 10 February 2018 Security Update (Meltdown)(Spectre)

The remote Windows host is missing security update 4074596. It is, therefore, affected by multiple vulnerabilities : - An vulnerability exists within microprocessors utilizing speculative execution and indirect branch prediction, which may allow an attacker with local user access to disclose...

SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2018:0416-1) (Spectre)

The SUSE Linux Enterprise 12 SP2 kernel was updated to 4.4.114 to receive various security and bugfixes. The following security bugs were fixed : - CVE-2017-5715: Systems with microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized disclosure of...

What You Should Know About Side-Channel Attacks, Like Meltdown

“The light is on in their window. They must be home.” This is a classic example of a side information channel. They didn’t TELL you they were home. But the side effect of them being home in the evening is the light in the window — which is how you’re pretty sure they are home even though this...

hw: cpu: speculative execution permission faults handling

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 exploited. Variant...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 5 Extended Lifecycle 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...

hw: cpu: speculative execution bounds-check bypass

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 exploited. Variant...

SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2018:0383-1) (Spectre)

The SUSE Linux Enterprise 12 SP3 kernel was updated to 4.4.114 to receive various security and bugfixes. The following security bugs were fixed : - CVE-2017-5715: Systems with microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized disclosure of...