Scientific Linux Security Update : kernel on SL6.x i386/x86_64 (20180710) (Spectre)

Security Fixes : - An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of Load & Store instructions a commonly used performance optimization. It relies on the presence of a precisely-defined instruction sequence in the privileged...

RHEL 6 : kernel (RHSA-2018:2164)

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:2164 advisory. - hw: cpu: speculative store bypass CVE-2018-3639 - Kernel: FPU state information leakage via lazy FPU restore CVE-2018-3665 - kernel: mm:...

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

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...

Kernel: FPU state information leakage via lazy FPU restore

A Floating Point Unit FPU state information leakage flaw was found in the way the Linux kernel saved and restored the FPU state during task switch. Linux kernels that follow the "Lazy FPU Restore" scheme are vulnerable to the FPU state information leakage issue. An unprivileged local attacker cou...

Moderate: Red Hat Security Advisory: kernel-rt security, and enhancement update

Updated kernel-rt packages that fix two security issues and add one enhancement are now available for Red Hat Enterprise MRG 2. 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...

Ubuntu: Security Advisory (USN-3696-1)

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

USN-3698-1: Linux kernel vulnerabilities

It was discovered that the nested KVM implementation in the Linux kernel in some situations did not properly prevent second level guests from reading and writing the hardware CR8 register. A local attacker in a guest could use this to cause a denial of service system crash. CVE-2017-12154 Fan Wu,...

USN-3698-1 linux vulnerabilities

It was discovered that the nested KVM implementation in the Linux kernel in some situations did not properly prevent second level guests from reading and writing the hardware CR8 register. A local attacker in a guest could use this to cause a denial of service system crash. CVE-2017-12154 Fan Wu,...

USN-3696-1 linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities

It was discovered that an integer overflow existed in the perf subsystem of the Linux kernel. A local attacker could use this to cause a denial of service system crash. CVE-2017-18255 Wei Fang discovered an integer overflow in the F2FS filesystem implementation in the Linux kernel. A local attack...

SUSE SLES11 Security Update : kernel (SUSE-SU-2018:1849-1)

The SUSE Linux Enterprise 11 SP3 LTSS kernel was updated to receive various security and bugfixes. The following security bug was fixed : - CVE-2018-3665: Prevent disclosure of FPU registers including XMM and AVX registers between processes. These registers might contain encryption keys when doin...

SUSE-SU-2018:1821-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 11 SP4 kernel was updated to receive various security and bugfixes. This new feature was added: - Btrfs: Remove empty block groups in the background The following security bugs were fixed: - CVE-2018-3665: Prevent disclosure of FPU registers including XMM and AVX registe...

kernel security and bug fix update

3.10.0-862.6.3.OL7 - Oracle Linux certificates Alexey Petrenko - Oracle Linux RHCK Module Signing Key was compiled into kernel [email protected] - Update x509.genkey bug 24817676 3.10.0-862.6.3 - x86 always enable eager FPU by default on non-AMD processors Paolo...

FreeBSD : FreeBSD -- Lazy FPU State Restore Information Disclosure (4e07d94f-75a5-11e8-85d1-a4badb2f4699)

A subset of Intel processors can allow a local thread to infer data from another thread through a speculative execution side channel when Lazy FPU state restore is used. Impact : Any local thread can potentially read FPU state information from other threads running on the host. This could include...

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...

FreeBSD -- Lazy FPU State Restore Information Disclosure

Problem Description: A subset of Intel processors can allow a local thread to infer data from another thread through a speculative execution side channel when Lazy FPU state restore is used. Impact: Any local thread can potentially read FPU state information from other threads running on the host...

SUSE SLES12 Security Update : kernel (SUSE-SU-2018:1762-1)

The SUSE Linux Enterprise 12 GA LTSS kernel was updated to receive various security and bugfixes. The following security bugs were fixed : - CVE-2018-3665: Prevent disclosure of FPU registers including XMM and AVX registers between processes. These registers might contain encryption keys when doi...

FreeBSD-SA-18:07.lazyfpu

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-18:07.lazyfpu Security Advisory The FreeBSD Project Topic: Lazy FPU State Restore Information Disclosure Category: core Module: kernel Announced: 2018-06-21...

SUSE SLES12 Security Update : kernel (SUSE-SU-2018:1761-1)

The SUSE Linux Enterprise 12 SP1 LTSS kernel was updated to receive various security and bugfixes. The following security bugs were fixed : - CVE-2018-3665: Prevent disclosure of FPU registers including XMM and AVX registers between processes. These registers might contain encryption keys when...

[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 -...