Kernel: kvm: OOB memory write via kvm_dev_ioctl_get_cpuid

An out-of-bounds memory write issue was found in the way the Linux kernel's KVM hypervisor handled the 'KVMGETEMULATEDCPUID' ioctl2 request to get CPUID features emulated by the KVM hypervisor. A user or process able to access the '/dev/kvm' device could use this flaw to crash the system, resulti...

Kernel: kvm: OOB memory write via kvm_dev_ioctl_get_cpuid

An out-of-bounds memory write issue was found in the way the Linux kernel's KVM hypervisor handled the 'KVMGETEMULATEDCPUID' ioctl2 request to get CPUID features emulated by the KVM hypervisor. A user or process able to access the '/dev/kvm' device could use this flaw to crash the system, resulti...

DEBIAN-CVE-2019-19332

An out-of-bounds memory write issue was found in the Linux Kernel, version 3.13 through 5.4, in the way the Linux kernel's KVM hypervisor handled the 'KVMGETEMULATEDCPUID' ioctl2 request to get CPUID features emulated by the KVM hypervisor. A user or process able to access the '/dev/kvm' device...

UBUNTU-CVE-2019-19332

An out-of-bounds memory write issue was found in the Linux Kernel, version 3.13 through 5.4, in the way the Linux kernel's KVM hypervisor handled the 'KVMGETEMULATEDCPUID' ioctl2 request to get CPUID features emulated by the KVM hypervisor. A user or process able to access the '/dev/kvm' device...

openSUSE Security Update : spectre-meltdown-checker (openSUSE-2019-2710)

This update for spectre-meltdown-checker fixes the following issues : - feat: implement TAA detection CVE-2019-11135 bsc1139073 - feat: implement MCEPSC / iTLB Multihit detection CVE-2018-12207 bsc1117665 - feat: taa: add TSXCTRL MSR detection in hardware info - feat: fwdb: use both Intel GitHub...

SUSE SLED15 / SLES15 Security Update : spectre-meltdown-checker (SUSE-SU-2019:3348-1)

This update for spectre-meltdown-checker fixes the following issues : - feat: implement TAA detection CVE-2019-11135 bsc1139073 - feat: implement MCEPSC / iTLB Multihit detection CVE-2018-12207 bsc1117665 - feat: taa: add TSXCTRL MSR detection in hardware info - feat: fwdb: use both Intel GitHub...

qemu-kvm security, bug fix, and enhancement update

1.5.3-167.el7 - Reverting kvm-seccomp-set-the-seccomp-filter-to-all-threads.patch bz1618503 - Resolves: bz1618503 qemu-kvm: Qemu: seccomp: blacklist is not applied to all threads rhel-7 1.5.3-166.el7 - kvm-seccomp-set-the-seccomp-filter-to-all-threads.patch bz1618503 - Resolves: bz1618503 qemu-kv...

libvirt security update

5.0.0-9.el7 - qemu: remove cpuhostmask and cpuguestmask from virCaps structure Wim ten Have Orabug: 29956508 5.0.0-8.el7 - api: disallow virDomainSaveImageGetXMLDesc on read-only connections Jan Tomko Orabug: 29955742 CVE-2019-10161 - domain: Define explicit flags for saved image xml Eric Blake...

[SECURITY] [DLA 1789-2] intel-microcode security update

Package : intel-microcode Version : 3.20190618deb8u1 CVE ID : CVE-2018-12126 CVE-2018-12127 CVE-2018-12130 CVE-2019-11091 Debian Bug : 929073 DLA-1789-1 shipped updated CPU microcode for most types of Intel CPUs as mitigations for the MSBDS, MFBDS, MLPDS and MDSUM hardware vulnerabilities. This...

Fedora 29 : 2:qemu / libvirt (2019-0332a96d31) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

Define md-clear CPUID bit. Assuming an updated host kernel and microcode, the md-clear bit will be automatically exposed to guests using the QEMU '-cpu host' arg, or libvirt 'host-model' or 'host-passthrough' configurations. Guests using a named CPU model it must be manually updated to add this...

Fedora 30 : 2:qemu / libvirt (2019-f910d35647) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

Define md-clear CPUID bit. Assuming an updated host kernel and microcode, the md-clear bit will be automatically exposed to guests using the QEMU '-cpu host' arg, or libvirt 'host-model' or 'host-passthrough' configurations. Guests using a named CPU model it must be manually updated to add this...

Debian DLA-1789-2 : intel-microcode security update (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

DLA-1789-1 shipped updated CPU microcode for most types of Intel CPUs as mitigations for the MSBDS, MFBDS, MLPDS and MDSUM hardware vulnerabilities. This update provides additional support for some Sandybridge server and Core-X CPUs which were not covered in the original May microcode release. Fo...

Kernel update: Virtuozzo ReadyKernel patch 75.0 for all supported Virtuozzo kernels and that of Virtuozzo Infrastructure Platform 2.5

The cumulative Virtuozzo ReadyKernel patch was updated with stability fixes. The patch applies to all supported Virtuozzo kernels and that of Virtuozzo Infrastructure Platform 2.5. Vulnerability id: PSBM-93016 It was discovered that CPUID bits OSXSAVE and OSPKE were not updated properly by KVM wh...

MCExtractor - Intel, AMD, VIA & Freescale Microcode Extraction Tool

Intel, AMD, VIA & Freescale Microcode Extraction Tool MC Extractor News Feed MC Extractor Discussion Topic Intel, AMD & VIA CPU Microcode Repositories A. About MC Extractor MC Extractor is a tool which parses Intel, AMD, VIA and Freescale processor microcode binaries. It can be used by end-users...

openSUSE: Security Advisory for libvirt (openSUSE-SU-2018:1621-1)

The remote host is missing an update for the Copyright C 2018 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...

Fedora 27 : glibc (2018-c1ef35a4f9)

This update removes a misleading comment from the documentation of the abort function RHBZ1615608. A minor security vulnerability, CVE-2018-11237, a buffer overflow in mempcpy for Xeon Phi RHBZ1581275 has been addressed. The update also fixes the waiters-after-spinning case in the...

OracleVM 3.4 : xen (OVMSA-2018-0251) (Foreshadow)

The remote OracleVM system is missing necessary patches to address critical security updates : - BUILDINFO: xen commit=18ec2b68e519646188fd26a05b2cd26ebd829035 - BUILDINFO: QEMU upstream commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff - BUILDINFO: QEMU traditional...

OracleVM 3.4 : xen (OVMSA-2018-0246) (Foreshadow)

The remote OracleVM system is missing necessary patches to address critical security updates : - BUILDINFO: OVMF commit=173bf5c847e3ca8b42c11796ce048d8e2e916ff8 - BUILDINFO: xen commit=02cec92b3eb1612e37616b10400d82f1e3d8de85 - BUILDINFO: QEMU upstream...

qemu security update

12:2.9.0-11.1.el7 - i386: Define the Virt SSBD MSR and handling of it CVE-2018-3639 Konrad Rzeszutek Wilk Orabug: 28110449 CVE-2018-3639 - i386: define the AMD 'virt-ssbd' CPUID feature bit CVE-2018-3639 Konrad Rzeszutek Wilk Orabug: 28110449 CVE-2018-3639 - i386: define the 'ssbd' CPUID feature...

SUSE SLED12 / SLES12 Security Update : libvirt (SUSE-SU-2018:2304-1) (Spectre)

This update for libvirt fixes the following issues: Security issue fixed : - CVE-2018-3639: Add support for 'ssbd' and 'virt-ssbd' CPUID feature bits to address V4 Speculative Store Bypass aka 'Memory Disambiguation' bsc1092885. Bug fixes : - bsc1094325: Enable virsh blockresize for XEN guests...