GSD-2021-1002833 KVM: x86/mmu: Don't advance iterator after restart due to yielding

KVM: x86/mmu: Don't advance iterator after restart due to yielding This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.12 by commit...

Low: Red Hat Security Advisory: virt:rhel and virt-devel:rhel security update

An update for the virt:rhel and virt-devel:rhel modules is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available f...

virt:rhel and virt-devel:rhel security update

An update is available for libguestfs, libnbd, nbdkit, libguestfs-winsupport, supermin, libiscsi, hivex, libvirt, netcf, perl-Sys-Virt, seabios, qemu-kvm, sgabios, libvirt-dbus, libvirt-python. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a...

Low: virt:rhel and virt-devel:rhel security update

Kernel-based Virtual Machine KVM offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the...

ALSA-2021:5238 Low: virt:rhel and virt-devel:rhel security update

Kernel-based Virtual Machine KVM offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the...

RLSA-2021:5238 Low: virt:rhel and virt-devel:rhel security update

Kernel-based Virtual Machine KVM offers a full virtualization solution for Linux on numerous hardware platforms. The virt:Rocky Linux module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting wi...

Unbreakable Enterprise kernel security update

5.4.17-2136.302.6.1 - rds/ib: Use both iova and key in freemr socket call aru kolappan Orabug:33667276 5.4.17-2136.302.6 - Revert fs: align IOCB flags with RWF flags Prasad Singamsetty Orabug: 33627551 5.4.17-2136.302.5 - Revert drm: Initialize struct drmcrtcstate.novblank from device settings...

GSD-2021-1002563 KVM: MMU: shadow nested paging does not have PKU

KVM: MMU: shadow nested paging does not have PKU This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.7 by commit...

CVE-2020-35506 affecting package qemu-kvm 4.2.0-48

CVE-2020-35506 affecting package qemu-kvm 4.2.0-48. A patched version of the package is available...

CVE-2021-3545 affecting package qemu-kvm 4.2.0-48

CVE-2021-3545 affecting package qemu-kvm 4.2.0-48. A patched version of the package is available...

Linux kernel information disclosure vulnerability (CNVD-2021-102393)

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the U.S. KVM is one of the kernel-based virtual machines. overlayfs is one of the file systems. A security vulnerability exists in the Linux kernel that stems from a reference count leak in...

Debian DLA-2843-1 : linux - LTS security update

The remote Debian 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-2843 advisory. - Use-after-free vulnerability in the Linux kernel exploitable by a local attacker due to reuse of a DCCP socket with an attached dccpshctxccid object as a listene...

[SECURITY] [DLA 2843-1] linux security update

Debian LTS Advisory DLA-2843-1 [email protected] https://www.debian.org/lts/security/ Ben Hutchings December 16, 2021 https://wiki.debian.org/LTS Package : linux Version : 4.9.290-1 CVE ID : CVE-2020-3702 CVE-2020-16119 CVE-2021-0920 CVE-2021-3612 CVE-2021-3653 CVE-2021-3655 CVE-2021-36...

Linux kernel 代码问题漏洞

Linux kernel is the kernel used by the Linux Foundation's open source operating system Linux. Linux Kernel kvmdirtyringget suffers from a function denial of service vulnerability, which is caused by the kvmdirtyring function in virt/kvm/dirtyring.c without creating a vCPU. dirtyring function in...

CVE-2021-4093

A flaw was found in the KVM's AMD code for supporting the Secure Encrypted Virtualization-Encrypted State SEV-ES. A KVM guest using SEV-ES can trigger out-of-bounds reads and writes in the host kernel via a malicious VMGEXIT for a string I/O instruction for example, outs or ins using the exit...

CVE-2021-4095

A NULL pointer dereference was found in the Linux kernel's KVM when dirty ring logging is enabled without an active vCPU context. An unprivileged local attacker on the host may use this flaw to cause a kernel oops condition and thus a denial of service by issuing a KVMXENHVMSETATTR ioctl...

CVE-2021-4093

A flaw was found in the KVM's AMD code for supporting the Secure Encrypted Virtualization-Encrypted State SEV-ES. A KVM guest using SEV-ES can trigger out-of-bounds reads and writes in the host kernel via a malicious VMGEXIT for a string I/O instruction for example, outs or ins using the exit...

Low: Red Hat Security Advisory: virt:av and virt-devel:av security, bug fix, and enhancement update

An update for the virt:av and virt-devel:av modules is now available for Red Hat Enterprise Linux Advanced Virtualization 8.4. Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity...

Moderate: Red Hat Security Advisory: virt:8.2 and virt-devel:8.2 security update

An update for the virt:8.2 and virt-devel:8.2 modules is now available for Advanced Virtualization for RHEL 8.2.1. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating,...

SUSE SLES15: cluster-md-kmp-default / dlm-kmp-default / gfs2-kmp-default / etc (SUSE-SU-2021:3969-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:3969-1 advisory. The SUSE Linux Enterprise 15 kernel was updated to receive various security and bugfixes. The following security bugs were fixed:...