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

An update for qemu-kvm is now available for Red Hat Enterprise Linux 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 available for each vulnerability from...

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

An update for qemu-kvm-ma is now available for Red Hat Enterprise Linux 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 available for each vulnerability fr...

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

An update for qemu-kvm-ma is now available for Red Hat Enterprise Linux 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 available for each vulnerability fr...

Important: Red Hat Security Advisory: qemu-kvm security, bug fix, and enhancement update

An update for qemu-kvm is now available for Red Hat Enterprise Linux 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 available for each vulnerability from...

Important: Red Hat Security Advisory: qemu-kvm-rhev security, bug fix, and enhancement update

An update for qemu-kvm-rhev is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 7 and Red Hat Virtualization Engine 4.3. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which giv...

RHEL 7 : qemu-kvm (RHSA-2020:1116)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:1116 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-rhev (RHSA-2020:1216)

"The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:1216 advisory. KVM Kernel-based Virtual Machine is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages...

USN-4313-1: Linux kernel vulnerability

Manfred Paul discovered that the bpf verifier in the Linux kernel did not properly calculate register bounds for certain operations. A local attacker could use this to expose sensitive information kernel memory or gain administrative privileges...

openSUSE Security Update : the Linux Kernel (openSUSE-2020-388)

The openSUSE Leap 15.1 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : - CVE-2020-8647: There was a use-after-free vulnerability in the vcdoresize function in drivers/tty/vt/vt.c bnc1162929 1164078. - CVE-2020-8649: There was a use-after-free...

CVE-2019-14835

A buffer overflow flaw was found in the way Linux kernel's vhost functionality that translates virtqueue buffers to IOVs, logged the buffer descriptors during migration. A privileged guest user able to pass descriptors with invalid length to the host when migration is underway, could use this fla...

CentOS 7 : kernel (CESA-2020:0839)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:0839 advisory. - kernel: Count overflow in FUSE request leading to use- after-free issues. CVE-2019-11487 - kernel: rtlp2pnoaie in...

USN-4302-1 linux, linux-aws, linux-aws-hwe, linux-gcp, linux-gke-4.15, linux-hwe, linux-kvm, linux-oem, linux-oracle, linux-raspi2, linux-snapdragon, linux-azure vulnerabilities

Paulo Bonzini discovered that the KVM hypervisor implementation in the Linux kernel could improperly let a nested level 2 guest access the resources of a parent level 1 guest in certain situations. An attacker could use this to expose sensitive information. CVE-2020-2732 Gregory Herrero discovere...

USN-4302-1: Linux kernel vulnerabilities

Paulo Bonzini discovered that the KVM hypervisor implementation in the Linux kernel could improperly let a nested level 2 guest access the resources of a parent level 1 guest in certain situations. An attacker could use this to expose sensitive information. CVE-2020-2732 Gregory Herrero discovere...

USN-4301-1 linux-aws-5.0, linux-gcp, linux-gke-5.0, linux-oracle-5.0, linux-azure vulnerabilities

It was discovered that the KVM implementation in the Linux kernel, when paravirtual TLB flushes are enabled in guests, the hypervisor in some situations could miss deferred TLB flushes or otherwise mishandle them. An attacker in a guest VM could use this to expose sensitive information read memor...

USN-4301-1: Linux kernel vulnerabilities

It was discovered that the KVM implementation in the Linux kernel, when paravirtual TLB flushes are enabled in guests, the hypervisor in some situations could miss deferred TLB flushes or otherwise mishandle them. An attacker in a guest VM could use this to expose sensitive information read memor...

USN-4300-1: Linux kernel vulnerabilities

It was discovered that the KVM implementation in the Linux kernel, when paravirtual TLB flushes are enabled in guests, the hypervisor in some situations could miss deferred TLB flushes or otherwise mishandle them. An attacker in a guest VM could use this to expose sensitive information read memor...

USN-4300-1 linux, linux-aws, linux-gcp, linux-gcp-5.3, linux-gke-5.3, linux-hwe, linux-kvm, linux-oracle, linux-raspi2, linux-raspi2-5.3, linux-azure, linux-azure-5.3 vulnerabilities

It was discovered that the KVM implementation in the Linux kernel, when paravirtual TLB flushes are enabled in guests, the hypervisor in some situations could miss deferred TLB flushes or otherwise mishandle them. An attacker in a guest VM could use this to expose sensitive information read memor...

Important: kernel

Issue Overview: A stack buffer overflow issue was found in the getrawsocket routine of the Host kernel accelerator for virtio net vhost-net driver. It could occur while doing an ictolVHOSTNETSETBACKEND call, and retrieving socket name in a kernel stack variable via getrawsocket. A user able to...

Ubuntu 16.04 LTS : Linux kernel vulnerability (USN-4303-1)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-4303-1 advisory. Paulo Bonzini discovered that the KVM hypervisor implementation in the Linux kernel could improperly let a nested level 2 guest access the resources of a parent...

Scientific Linux Security Update : kernel on SL7.x x86_64 (20200317)

Security Fixes : - kernel: Count overflow in FUSE request leading to use-after-free issues. CVE-2019-11487 - kernel: rtlp2pnoaie in drivers/net/wireless/realtek/rtlwifi/ps.c in the Linux kernel lacks a certain upper-bound check, leading to a buffer overflow CVE-2019-17666 - Kernel: KVM: export...