RHEL 7 : kernel-rt (RHSA-2018:1944)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2018:1944 advisory. - Kernel: FPU state information leakage via lazy FPU restore CVE-2018-3665 Note that Nessus has not tested for this issue but has instead relied only...

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 update

An update for kernel-rt is now available for Red Hat Enterprise Linux 7. 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 each vulnerability from...

Debian: Security Advisory (DSA-4232-1)

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...

CentOS 7 : kernel (CESA-2018:1852)

An update for kernel is now available for Red Hat Enterprise Linux 7. 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 each vulnerability from the...

OracleVM 3.3 : Unbreakable / etc (OVMSA-2018-0231)

The remote OracleVM system is missing necessary patches to address critical security updates : - x86/fpu: Make eager FPU default Mihai Carabas Orabug: 28156176 CVE-2018-3665 - KVM: Fix stack-out-of-bounds read in writemmio Wanpeng Li Orabug: 27951287 CVE-2017-17741 CVE-2017-17741 - xfs: set forma...

kernel, perf, python security update

CentOS Errata and Security Advisory CESA-2018:1852 An update for kernel is now available for Red Hat Enterprise Linux 7. 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...

CVE-2018-3665 - Citrix XenServer Security Update

Description of Problem An issue has been identified in certain CPUs that may allow code running in a guest VM to read data from another process in the same VM or another VM running on the same host. The data that can be read is limited to specific CPU registers rather than memory or disk storage;...

RHEL 7 : kernel (RHSA-2018:1852)

An update for kernel is now available for Red Hat Enterprise Linux 7. 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 each vulnerability from the...

Unbreakable Enterprise kernel security update

2.6.39-400.299.3 - x86/fpu: Make eager FPU default Mihai Carabas Orabug: 28156175 CVE-2018-3665 - ALSA: hrtimer: Fix stall by hrtimercancel Takashi Iwai Orabug: 22876528 CVE-2016-2549 - ALSA: timer: Harden slave timer list handling Takashi Iwai Orabug: 22876528 CVE-2016-2547 CVE-2016-2548 - ALSA:...

Scientific Linux Security Update : kernel on SL7.x x86_64 (20180614)

Security Fixes : - Kernel: FPU state information leakage via lazy FPU restore CVE-2018-3665 C Tenable Network Security, Inc. The descriptive text is C Scientific Linux. include'compat.inc'; if description scriptid110542; scriptversion"1.6"; scriptsetattributeattribute:"pluginmodificationdate",...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 7. 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 each vulnerability from the...

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...

Speculative register leakage from lazy FPU context switching

ISSUE DESCRIPTION x86 has a hardware mechanism for lazy FPU context switching. On a task switch, %cr0.ts Task Switched gets set, and the next instruction to touch floating point state raises an NM No Math, later known as Device Not Available exception. Traditionally, FPU state has been large in...

PT-2018-2966

Name of the Vulnerable Software and Affected Versions: Intel Core processors affected versions not specified Description: The issue is related to a performance optimization function, specifically Lazy FPU context switching, which lacks protection for sensitive data. Exploitation of this issue cou...

Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2018-4071)

The remote Oracle Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2018-4071 advisory. - net: cdcether: fix divide by 0 on bad descriptors Bjorn Mork Orabug: 27841392 CVE-2017-16649 - sysctl: Drop reference added by grabheader in...

USN-3487-1: Linux kernel vulnerabilities

It was discovered that the KVM subsystem in the Linux kernel did not properly keep track of nested levels in guest page tables. A local attacker in a guest VM could use this to cause a denial of service host OS crash or possibly execute arbitrary code in the host OS. CVE-2017-12188 It was...

Linux kernel x86/fpu (Floating Point Unit) subsystem information disclosure vulnerability

The Linux kernel is the kernel used by the operating system Linux, released by the Linux Foundation in the United States. x86/fpu Floating Point Unit subsystem is one of the 32-bit floating point unit subsystems. A security vulnerability exists in the x86/fpu Floating Point Unit subsystem in...

CVE-2017-15537

The x86/fpu Floating Point Unit subsystem in the Linux kernel before 4.13.5, when a processor supports the xsave feature but not the xsaves feature, does not correctly handle attempts to set reserved bits in the xstate header via the ptrace or rtsigreturn system call, allowing local users to read...

DEBIAN-CVE-2017-15537

The x86/fpu Floating Point Unit subsystem in the Linux kernel before 4.13.5, when a processor supports the xsave feature but not the xsaves feature, does not correctly handle attempts to set reserved bits in the xstate header via the ptrace or rtsigreturn system call, allowing local users to read...