openSUSE: Security Advisory for xen (openSUSE-SU-2019:1403-1)

The remote host is missing an update for the Copyright C 2019 Greenbone Networks GmbH 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-or-later This program is free software; you can...

OPENSUSE-SU-2019:1403-1 Security update for xen

This update for xen fixes the following issues: Four new speculative execution information leak issues have been identified in Intel CPUs. bsc1111331 - CVE-2018-12126: Microarchitectural Store Buffer Data Sampling MSBDS - CVE-2018-12127: Microarchitectural Fill Buffer Data Sampling MFBDS -...

Updated kernel-tmb packages fixes security vulnerabilities

This kernel update provides the upstream 4.14.119 that adds the kernel side mitigations for the Microarchitectural Data Sampling MDS, also called ZombieLoad attack vulnerabilities in Intel processors that can allow attackers to retrieve data being processed inside a CPU. To complete the mitigatio...

Use-After-Free

Linux kernel is vulnerable to use-after-free attacks. This is because the way the Linux kernel's KVM hypervisor implements its device control API While creating a device via kvmioctlcreatedevice. An attacker could use this flaw to crash the guest VM resulting in a denial of service issue or...

Security update for xen (important)

openSUSE Security Update: Security update for xen Announcement ID: openSUSE-SU-2019:1403-1 Rating: important References: 1027519 1079730 1098403 1111025 1111331 1120067 1120095 Cross-References: CVE-2018-12126 CVE-2018-12127 CVE-2018-12130 CVE-2019-11091 Affected Products: openSUSE Leap 15.0 An...

Ubuntu 19.04 : Linux kernel vulnerabilities (USN-3979-1) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

Ke Sun, Henrique Kawakami, Kekai Hu, Rodrigo Branco, Giorgi Maisuradze, Dan Horea Lutas, Andrei Lutas, Volodymyr Pikhur, Stephan van Schaik, Alyssa Milburn, Sebastian Osterlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida, Moritz Lipp, Michael Schwarz, and Daniel Gruss discovered...

VMSA-2019-0008 : MDS Vulnerabilities (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

a. Hypervisor Specific and Hypervisor-Assisted Guest Mitigations for MDS vulnerabilities vCenter Server, ESXi, Workstation, and Fusion updates support Hypervisor-Specific and Hypervisor-Assisted Guest Mitigations for MDS speculative execution vulnerabilities. These updates expose new CPU control...

USN-3980-2: Linux kernel (HWE) vulnerabilities

USN-3980-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.10. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 18.10 for Ubuntu 18.04 LTS. Ke Sun, Henrique Kawakami, Kekai Hu, Rodrigo Branco, Giorgi Maisuradze, Dan Horea Lutas, Andre...

Citrix Hypervisor Security Update

Description of Problem A number of security issues have been identified in certain CPU hardware that may allow unprivileged code running on a CPU core to infer the value of memory data belonging to other processes, virtual machines or the hypervisor that are, or have recently been, running on the...

XenServer Hardware Compatibility List Explained

This article provides an understanding of the Hardware Compatibility List HCL for Citrix Hypervisor and XenServer. This article also contains information about how products get qualified for inclusion in the HCL and what listing in the HCL represents from a support perspective. Background The...

VMware product updates enable Hypervisor-Specific Mitigations, Hypervisor-Assisted Guest Mitigations, and Operating System-Specific Mitigations for Microarchitectural Data Sampling (MDS) Vulnerabilities (CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, and CVE-2019-11091)

3a. Hypervisor-Specific Mitigations for MDS vulnerabilities - CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, and CVE-2019-11091 vCenter Server, ESXi, Workstation, and Fusion updates include Hypervisor-Specific Mitigations for MDS speculative execution vulnerabilities. VMware has evaluated the...

VMSA-2019-0008:VMware product updates enable Hypervisor-Specific Mitigations, Hypervisor-Assisted Guest Mitigations, and Operating System-Specific Mitigations for Microarchitectural Data Sampling (MDS) Vulnerabilities

VMware Security Advisories Advisory ID| VMSA-2019-0008.2 ---|--- Advisory Severity| Moderate CVSSv3 Range| 3.8 - 6.5 Synopsis| VMware product updates enable Hypervisor-Specific Mitigations, Hypervisor-Assisted Guest Mitigations, and Operating System-Specific Mitigations for Microarchitectural Dat...

EulerOS Virtualization 2.5.3 : kvm (EulerOS-SA-2019-1369)

According to the version of the kvm package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerability : - An information leakage issue was found in the way Linux kernel's KVM hypervisor handled page fault exceptions while emulating instructio...

EulerOS Virtualization 2.5.3 : kvm (EulerOS-SA-2019-1370)

According to the version of the kvm package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerability : - A use-after-free vulnerability was found in the way the Linux kernel's KVM hypervisor emulates a preemption timer for L2 guests when...

Fedora Update for xen FEDORA-2018-a24754252a

The remote host is missing an update for the Copyright C 2019 Greenbone Networks GmbH 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-or-later This program is free software; you can...

Privilege Escalation

The kernel packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way Linux kernel's Transparent Huge Pages THP implementation handled non-huge page migration. A local, unprivileged user could use this flaw to crash the kernel by migrating transparent...

Denial Of Service (DoS)

The kernel packages contain the Linux kernel, the core of any Linux operating system. An integer overflow flaw was found in the way the Linux kernel's Frame Buffer device implementation mapped kernel memory to user space via the mmap syscall. A local user able to access a frame buffer device file...

Denial Of Service (DoS)

The kernel packages contain the Linux kernel, the core of any Linux operating system. It was found that the Linux kernel's Infiniband subsystem did not properly sanitize input parameters while registering memory regions from user space via the uverbs API. A local user with access to a...

Denial Of Service (DoS)

kernel is vulnerable to denial of service. A flaw was found in the way the xenfailsafecallback function in the Linux kernel handled the failed iret interrupt return instruction notification from the Xen hypervisor. An unprivileged user in a 32-bit para-virtualized guest could use this flaw to cra...

EulerOS 2.0 SP2 : kernel (EulerOS-SA-2019-1302)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - A flaw was found in the Linux kernel's ext4 filesystem code. A use-after-free is possible in ext4extremovespace function when mounting and...