SUSE-SU-2018:2352-1 Security update for the Linux Kernel (Live Patch 26 for SLE 12)

This update for the Linux Kernel 3.12.61-5289 fixes several issues. The following security issues were fixed: - CVE-2018-3646: Local attackers in virtualized guest systems could use speculative code patterns on hyperthreaded processors to read data present in the L1 Datacache used by other...

qemu-kvm security and bug fix update

1.5.3-156.el75.5 - kvm-multiboot-bssendaddr-can-be-zero.patch bz1549824 - kvm-multiboot-Remove-unused-variables-from-multiboot.c.patch bz1549824 - kvm-multiboot-Use-header-names-when-displaying-fields.patch bz1549824 - kvm-multiboot-fprintf-stderr.-errorreport.patch bz1549824 -...

Updated kernel-tmb packages fix security vulnerabilities

This kernel-tmb update is based on the upstream 4.14.62 and fixes at least the following security issues: kernel KVM before versions kernel 4.16, kernel 4.16-rc7, kernel 4.17-rc1, kernel 4.17-rc2 and kernel 4.17-rc3 is vulnerable to a flaw in the way the Linux kernel's KVM hypervisor handled...

Updated kernel-linus packages fix security vulnerabilities

This kernel-linus update is based on the upstream 4.14.62 and fixes at least the following security issues: kernel KVM before versions kernel 4.16, kernel 4.16-rc7, kernel 4.17-rc1, kernel 4.17-rc2 and kernel 4.17-rc3 is vulnerable to a flaw in the way the Linux kernel's KVM hypervisor handled...

MGASA-2018-0341 Updated kernel-linus packages fix security vulnerabilities

This kernel-linus update is based on the upstream 4.14.62 and fixes at least the following security issues: kernel KVM before versions kernel 4.16, kernel 4.16-rc7, kernel 4.17-rc1, kernel 4.17-rc2 and kernel 4.17-rc3 is vulnerable to a flaw in the way the Linux kernel's KVM hypervisor handled...

MGASA-2018-0340 Updated kernel-tmb packages fix security vulnerabilities

This kernel-tmb update is based on the upstream 4.14.62 and fixes at least the following security issues: kernel KVM before versions kernel 4.16, kernel 4.16-rc7, kernel 4.17-rc1, kernel 4.17-rc2 and kernel 4.17-rc3 is vulnerable to a flaw in the way the Linux kernel's KVM hypervisor handled...

Important: Red Hat Security Advisory: rhev-hypervisor7 security update

An update for rhev-hypervisor7 is now available for RHEV 3.X Hypervisor and Agents for Red Hat Enterprise Linux 6 and RHEV 3.X Hypervisor and Agents Extended Lifecycle Support for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. ...

RHEL 6 : kernel (RHSA-2018:2391)

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:2391 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: Modern operating systems implement...

RHEL 6 : kernel (RHSA-2018:2392)

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:2392 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: Modern operating systems implement...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 6.5 Advanced 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 for...

kernel: kvm: vmx: host GDT limit corruption

A flaw was found in Linux kernel's KVM virtualization subsystem. The VMX code does not restore the GDT.LIMIT to the previous host value, but instead sets it to 64KB. With a corrupted GDT limit a host's userspace code has an ability to place malicious entries in the GDT, particularly to the per-cp...

Security update for libvirt (moderate)

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...

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...

openSUSE Security Update : libvirt (openSUSE-2018-860) (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...

SUSE-SU-2018:2304-1 Security update for libvirt

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...

Important: Red Hat Security Advisory: qemu-kvm-rhev security update

An update for qemu-kvm-rhev is now available for Red Hat OpenStack Platform 9. 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 vulnerabilit...

Important: Red Hat Security Advisory: qemu-kvm-rhev security update

An update for qemu-kvm-rhev is now available for Red Hat OpenStack Platform 8. 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 vulnerabilit...

USN-3732-1 linux, linux-aws, linux-azure, linux-gcp, linux-kvm, linux-oem, linux-raspi2 vulnerability

Juha-Matti Tilli discovered that the TCP implementation in the Linux kernel performed algorithmically expensive operations in some situations when handling incoming packets. A remote attacker could use this to cause a denial of service...

Important: Red Hat Security Advisory: qemu-kvm-rhev security update

An update for qemu-kvm-rhev is now available for Red Hat OpenStack Platform 10. 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 vulnerabili...

DEBIAN-CVE-2017-7518

A flaw was found in the Linux kernel before version 4.12 in the way the KVM module processed the trap flagTF bit in EFLAGS during emulation of the syscall instruction, which leads to a debug exceptionDB being raised in the guest stack. A user/process inside a guest could use this flaw to...