Researchers Defeat AMD's SEV Virtual Machine Encryption

German security researchers claim to have found a new practical attack against virtual machines VMs protected using AMD's Secure Encrypted Virtualization SEV technology that could allow attackers to recover plaintext memory data from guest VMs. AMD's Secure Encrypted Virtualization SEV technology...

Important product update: Fixes for CVE-2018-3639 and CVE-2018-1087 in virtual machines; Virtuozzo 6.0 Update 12 Hotfix 26 (6.0.12-3707)

This hotfix provides security fixes for the hypervisor part of Virtuozzo 6.0 Update 12. Vulnerability id: CVE-2018-1087 A flaw was found in the way the Linux kernel's KVM hypervisor handled exceptions delivered after a stack switch operation via Mov SS or Pop SS instructions. During the stack...

Important: kernel

Issue Overview: A weakness was found in the Linux kernel's implementation of random seed data. Programs, early in the boot sequence, could use the data allocated for the seed before it was sufficiently generated. CVE-2018-1108 A flaw was found in the way the Linux kernel handled exceptions...

openSUSE Security Update : qemu (openSUSE-2018-489) (Spectre)

This update for qemu fixes several issues. This security issue was fixed : - CVE-2018-3639: Spectre v4 vulnerability mitigation support for KVM guests bsc1092885. Systems with microprocessors utilizing speculative execution and speculative execution of memory reads before the addresses of all pri...

RHEL 7 : Virtualization (RHSA-2018:1654) (Spectre)

An update for qemu-kvm-rhev is now available for RHEV 3.X Hypervisor and Agents for Red Hat Enterprise Linux 7 Extended Life 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...

SUSE SLES11 Security Update : kvm (SUSE-SU-2018:1389-1) (Spectre)

This update for kvm fixes the following issues: This security issue was fixed : - CVE-2018-3639: Spectre v4 vulnerability mitigation support for KVM guests bsc1092885. Systems with microprocessors utilizing speculative execution and speculative execution of memory reads before the addresses of al...

RHEL 7 : qemu-kvm-rhev (RHSA-2018:1655)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2018:1655 advisory. KVM Kernel-based Virtual Machine is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the...

SUSE SLES12 Security Update : qemu (SUSE-SU-2018:1386-1) (Spectre)

This update for qemu fixes several issues. This security issue was fixed : - CVE-2018-3639: Spectre v4 vulnerability mitigation support for KVM guests bsc1092885. Systems with microprocessors utilizing speculative execution and speculative execution of memory reads before the addresses of all pri...

OracleVM 3.4 : Unbreakable / etc (OVMSA-2018-0223) (Spectre)

The remote OracleVM system is missing necessary patches to address critical security updates : - KVM: SVM: Move spec control call after restore of GS Thomas Gleixner CVE-2018-3639 - x86/bugs: Fix the parameters alignment and missing void Konrad Rzeszutek Wilk CVE-2018-3639 - x86/bugs: Make...

Security update for qemu (important)

This update for qemu fixes several issues. This security issue was fixed: - CVE-2018-3639: Spectre v4 vulnerability mitigation support for KVM guests bsc1092885. Systems with microprocessors utilizing speculative execution and speculative execution of memory reads before the addresses of all prio...

SUSE-SU-2018:1389-1 Security update for kvm

This update for kvm fixes the following issues: This security issue was fixed: - CVE-2018-3639: Spectre v4 vulnerability mitigation support for KVM guests bsc1092885. Systems with microprocessors utilizing speculative execution and speculative execution of memory reads before the addresses of all...

SUSE-SU-2018:1386-1 Security update for qemu

This update for qemu fixes several issues. This security issue was fixed: - CVE-2018-3639: Spectre v4 vulnerability mitigation support for KVM guests bsc1092885. Systems with microprocessors utilizing speculative execution and speculative execution of memory reads before the addresses of all prio...

SUSE SLED12 / SLES12 Security Update : qemu (SUSE-SU-2018:1378-1) (Spectre)

This update for qemu fixes several issues. This security issue was fixed : - CVE-2018-3639: Spectre v4 vulnerability mitigation support for KVM guests bsc1092885. Systems with microprocessors utilizing speculative execution and speculative execution of memory reads before the addresses of all pri...

RHEL 7 : qemu-kvm (RHSA-2018:1661)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2018:1661 advisory. Kernel-based Virtual Machine KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the...

RHEL 7 : qemu-kvm (RHSA-2018:1663) (Spectre)

An update for qemu-kvm is now available for Red Hat Enterprise Linux 7.4 Extended Update 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 fo...

Scientific Linux Security Update : qemu-kvm on SL7.x x86_64 (20180522) (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 7 : qemu-kvm (RHSA-2018:1633)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2018:1633 advisory. - hw: cpu: speculative store bypass CVE-2018-3639 Note that Nessus has not tested for this issue but has instead relied only on the application's...

CentOS 6 : qemu-kvm (CESA-2018:1660) (Spectre)

An update for qemu-kvm 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...

RHEL 6 : qemu-kvm (RHSA-2018:1657)

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2018:1657 advisory. Kernel-based Virtual Machine KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the...

Oracle Linux 7 : qemu-kvm (ELSA-2018-1633)

The remote Oracle Linux 7 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2018-1633 advisory. - kvm-i386-define-the-ssbd-CPUID-feature-bit-CVE-2018-3639.patch bz1574075 Tenable has extracted the preceding description block directly from the Oracle Linux...