RHEL 7 : qemu-kvm-ma (RHSA-2020:1352)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:1352 advisory. Kernel-based Virtual Machine KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-ma packages provide...

Ubuntu: Security Advisory (USN-4318-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2020 Greenbone AG 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-only ifdescription...

Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-4318-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4318-1 advisory. Al Viro discovered that the vfs layer in the Linux kernel contained a use- after-free vulnerability. A local attacker could use this to cause...

Security update for qemu (important)

openSUSE Security Update: Security update for qemu Announcement ID: openSUSE-SU-2020:0468-1 Rating: important References: 1123156 1154790 1161066 1162729 1163018 1165776 1166240 1166379 Cross-References: CVE-2019-15034 CVE-2019-20382 CVE-2019-6778 CVE-2020-1711 CVE-2020-7039 CVE-2020-8608 Affecte...

openSUSE Security Update : qemu (openSUSE-2020-468)

This update for qemu fixes the following issues : - CVE-2020-7039: Fixed a heap buffer overflow in tcpemu routine while emulating IRC and other protocols bsc1161066. - CVE-2019-15034: Fixed a buffer overflow in hw/display/bochs-display.c due to improper PCI config space allocation bsc1166379. -...

USN-4318-1: Linux kernel vulnerabilities

Al Viro discovered that the vfs layer in the Linux kernel contained a use- after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly expose sensitive information kernel memory. CVE-2020-8428 Gustavo Romero and Paul Mackerras discovered that th...

CVE-2020-8834

KVM in the Linux kernel on Power8 processors has a conflicting use of HSTATEHOSTR1 to store r1 state in kvmppchventry plus in kvmppcsave,restoretm, leading to a stack corruption. Because of this, an attacker with the ability run code in kernel space of a guest VM can cause the host kernel to pani...

qemu-kvm security, bug fix, and enhancement update

1.5.3-173.el7 - kvm-tcpemu-Fix-oob-access.patch bz1791560 - kvm-slirp-use-correct-size-while-emulating-IRC-commands.patch bz1791560 - kvm-slirp-use-correct-size-while-emulating-commands.patch bz1791560 - Resolves: bz1791560 CVE-2020-7039 qemu-kvm: QEMU: slirp: OOB buffer access while emulating tc...

kernel security, bug fix, and enhancement update

3.10.0-1127.OL7 - Oracle Linux certificates Alexey Petrenko - Oracle Linux RHCK Module Signing Key was compiled into kernel [email protected] - Update x509.genkey Orabug: 24817676 3.10.0-1127 - fs flexfiles: Dont tie up all the rpciod threads in resends Benjamin...

CVE-2019-3016

A flaw was found in the way Linux kernel's KVM hypervisor handled deferred TLB flush requests from guest. A race condition may occur between the guest issuing a deferred TLB flush request to KVM, and then KVM handling and acknowledging it. This may result in invalid address translations from TLB...

CVE-2018-16882

A use-after-free issue was found in the way the Linux kernel's KVM hypervisor processed posted interrupts when nested=1 virtualization is enabled. In nestedgetvmcs12pages, in case of an error while processing posted interrupt address, it unmaps the 'pidescpage' without resetting 'pidesc' descript...

MGASA-2020-0158 Updated kernel-linus packages fix security vulnerabilities

This update is based on upstream 5.5.15 and fixes at least the following security vulnerabilities: In the Linux kernel 5.4.0-rc2, there is a use-after-free read in the blkaddtrace function in kernel/trace/blktrace.c which is used to fill out a blkiotrace structure and place it in a per-cpu...

CVE-2018-19407

A NULL pointer dereference security flaw was found in the Linux kernel in the vcpuscanioapic function in arch/x86/kvm/x86.c. This allows local users with certain privileges to cause a denial of service via a crafted system call to the KVM subsystem...

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

An update for qemu-kvm-rhev is now available for Red Hat OpenStack Platform 10.0 Newton. 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...

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

An update for qemu-kvm-rhev is now available for Red Hat OpenStack Platform 13.0 Queens. 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...

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

An update for qemu-kvm-rhev is now available for Red Hat Virtualization for Red Hat Virtualization Host 7. 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...

RHEL 7 : qemu-kvm-rhev (RHSA-2020:1300)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:1300 advisory. KVM Kernel-based Virtual Machine is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provi...

EulerOS Virtualization for ARM 64 3.0.6.0 : kernel (EulerOS-SA-2020-1368)

According to the versions of the kernel packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities : - In the Linux kernel 5.0.21, mounting a crafted ext4 filesystem image, performing some operations, and unmounting can...

RHEL 7 : qemu-kvm-rhev (RHSA-2020:1292)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:1292 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...

EulerOS Virtualization for ARM 64 3.0.6.0 : kernel (EulerOS-SA-2020-1342)

According to the versions of the kernel packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities : - A heap-based buffer overflow was discovered in the Linux kernel's Marvell WiFi chip driver. The flaw could occur when...