CVE-2018-12207

CVE-2018-12207 describes an issue where improper invalidation of page-table updates by a privileged guest can cause a Denial of Service on the host on Intel processors. The vulnerability stems from how the guest VM handles translations in the MMU/TLB when paging structures change, potentially exp...

CVE-2018-12207

Improper invalidation for page table updates by a virtual guest operating system for multiple IntelR Processors may allow an authenticated user to potentially enable denial of service of the host system via local access...

CVE-2018-12207

Improper invalidation for page table updates by a virtual guest operating system for multiple IntelR Processors may allow an authenticated user to potentially enable denial of service of the host system via local access...

CVE-2019-0123

Insufficient memory protection in IntelR 6th Generation Core Processors and greater, supporting SGX, may allow a privileged user to potentially enable escalation of privilege via local access...

Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2019-4837)

The remote Oracle Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2019-4837 advisory. - x86/tsx: Add config options to set tsx=on|off|auto Michal Hocko Orabug: 30419233 CVE-2019-11135 - x86/speculation/taa: Add documentation for TSX...

Ubuntu 16.04 LTS : Linux kernel vulnerability (USN-4186-3)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-4186-3 advisory. USN-4186-1 fixed vulnerabilities in the Linux kernel. It was discovered that the kernel fix for CVE-2019-0155 i915 missing Blitter Command Streamer check was...

Oracle Linux 7 : Unbreakable Enterprise kernel (ELSA-2019-4836)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2019-4836 advisory. - kvm: x86: mmu: Recovery of shattered NX large pages Junaid Shahid Orabug: 29967630 CVE-2018-12207 - kvm: Add helper function for creating VM worker...

Oracle Linux 6 : kernel (ELSA-2019-3836)

The remote Oracle Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2019-3836 advisory. - documentation Documentation: Add ITLBMULTIHIT documentation Paolo Bonzini 1692385 CVE-2018-12207 - kvm KVM: introduce nohugepages module parameter...

Medium: microcode_ctl, kernel

Issue Overview: This security update is only applicable to EC2 Bare Metal instance types using Intel processors. Intel has released microcode updates for certain Intel CPUs. After installing the updated microcodectl package, the microcode will be automatically activated on next boot. Improper...

Ubuntu 18.04 LTS : Linux kernel vulnerability and regression (USN-4184-2)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-4184-2 advisory. USN-4184-1 fixed vulnerabilities in the Linux kernel. It was discovered that the kernel fix for CVE-2019-0155 i915 missing Blitter Command Streamer check was...

Medium: microcode_ctl, kernel

Issue Overview: This security update is only applicable to EC2 Bare Metal instance types using Intel processors. Intel has released microcode updates for certain Intel CPUs. After installing the updated microcodectl package, the microcode will be automatically activated on next boot. Improper...

USN-4185-3 linux, linux-hwe, linux-oem vulnerability and regression

USN-4185-1 fixed vulnerabilities in the Linux kernel. It was discovered that the kernel fix for CVE-2019-0155 i915 missing Blitter Command Streamer check was incomplete on 64-bit Intel x86 systems. Also, the update introduced a regression that broke KVM guests where extended page tables EPT are...

USN-4183-2: Linux kernel vulnerability

USN-4183-1 fixed vulnerabilities in the Linux kernel. It was discovered that the kernel fix for CVE-2019-0155 i915 missing Blitter Command Streamer check was incomplete on 64-bit Intel x86 systems. This update addresses the issue. We apologize for the inconvenience. Original advisory details:...

USN-4184-2: Linux kernel vulnerability and regression

USN-4184-1 fixed vulnerabilities in the Linux kernel. It was discovered that the kernel fix for CVE-2019-0155 i915 missing Blitter Command Streamer check was incomplete on 64-bit Intel x86 systems. Also, the update introduced a regression that broke KVM guests where extended page tables EPT are...

USN-4188-1: Linux kernel vulnerability

Stephan van Schaik, Alyssa Milburn, Sebastian Österlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida, Giorgi Maisuradze, Moritz Lipp, Michael Schwarz, Daniel Gruss, and Jo Van Bulck discovered that Intel processors using Transactional Synchronization Extensions TSX could expose...

USN-4185-2: Linux kernel (Azure) vulnerabilities

Stephan van Schaik, Alyssa Milburn, Sebastian Österlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida, Giorgi Maisuradze, Moritz Lipp, Michael Schwarz, Daniel Gruss, and Jo Van Bulck discovered that Intel processors using Transactional Synchronization Extensions TSX could expose...

USN-4187-1: Linux kernel vulnerability

Stephan van Schaik, Alyssa Milburn, Sebastian Österlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida, Giorgi Maisuradze, Moritz Lipp, Michael Schwarz, Daniel Gruss, and Jo Van Bulck discovered that Intel processors using Transactional Synchronization Extensions TSX could expose...

USN-4186-2 linux-lts-xenial, linux-aws vulnerabilities

USN-4186-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 ESM. Stephan van Schaik, Alyssa Milburn, Sebastian Österlund, Pietro Frigo, Kaveh Razavi,...

USN-4183-1: Linux kernel vulnerabilities

Stephan van Schaik, Alyssa Milburn, Sebastian Österlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida, Giorgi Maisuradze, Moritz Lipp, Michael Schwarz, Daniel Gruss, and Jo Van Bulck discovered that Intel processors using Transactional Synchronization Extensions TSX could expose...

Ubuntu 19.10 : Linux kernel vulnerabilities (USN-4183-1)

Stephan van Schaik, Alyssa Milburn, Sebastian Osterlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida, Giorgi Maisuradze, Moritz Lipp, Michael Schwarz, Daniel Gruss, and Jo Van Bulck discovered that Intel processors using Transactional Synchronization Extensions TSX could expose...