Moderate: Red Hat Security Advisory: virt:rhel and virt-devel:rhel security, bug fix, and enhancement 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 Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

kernel: memory leak upon a kmalloc failure in kvm_io_bus_unregister_dev function in virt/kvm/kvm_main.c

A flaw was found in the KVM hypervisor of the Linux kernel. A memory leak could occur in kvmiobusunregisterdev upon a kmalloc failure. The highest threat from this vulnerability is to system availability...

ALSA-2021:4198 Moderate: edk2 security, bug fix, and enhancement update

EDK Embedded Development Kit is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM. The following packages have been upgraded to a later upstream version: edk2 20210527gite1999b264f1f. BZ1846481, BZ1938238 Security Fixes:...

ALSA-2021:4191 Moderate: virt:rhel and virt-devel:rhel security, bug fix, and enhancement 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-2021:4191 Moderate: virt:rhel and virt-devel:rhel security, bug fix, and enhancement 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...

Moderate: virt:rhel and virt-devel:rhel security, bug fix, and enhancement 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...

USN-5136-1: Linux kernel vulnerabilities

It was discovered that the f2fs file system in the Linux kernel did not properly validate metadata in some situations. An attacker could use this to construct a malicious f2fs image that, when mounted and operated on, could cause a denial of service system crash or possibly execute arbitrary code...

Security update for the Linux Kernel (important)

openSUSE Security Update: Security update for the Linux Kernel Announcement ID: openSUSE-SU-2021:1460-1 Rating: important References: 1065729 1085030 1100416 1129735 1152489 1154353 1156395 1157177 1167773 1172073 1173604 1176940 1184673 1185762 1186109 1187167 1188563 1188876 1188983 1188985...

Moderate: Red Hat Security Advisory: virt:av and virt-devel:av security and bug fix 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 Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed...

Oracle Linux 8 : kernel (ELSA-2021-4056)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-4056 advisory. - RDMA/ucma: Rework ucmamigrateid to avoid races with destroy Kamal Heib 1982040 1931846 CVE-2020-36385 - RDMA/ucma: Fix locking for ctx-eventsreported...

CentOS 8 : kernel (CESA-2021:4056)

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2021:4056 advisory. - kernel: use-after-free in drivers/infiniband/core/ucma.c ctx use-after-free CVE-2020-36385 - kernel: out-of-bounds write due to a heap buffer overflo...

RLSA-2021:4088 Important: kernel-rt security and bug fix update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: use-after-free in drivers/infiniband/core/ucma.c ctx use-after-free CVE-2020-36385 kernel: out-of-bounds write due to a heap buffe...

kernel-rt security and bug fix update

An update is available for kernel-rt. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel-rt packages provide the Real Time Linux Kernel, which enables...

RLSA-2021:4056 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: use-after-free in drivers/infiniband/core/ucma.c ctx use-after-free CVE-2020-36385 kernel: out-of-bounds write due to a heap buffer overflow in hidinputchangeresolutionmultipliers of...

kernel security, bug fix, and enhancement update

An update is available for kernel. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux operating...

RHEL 8 : kernel-rt (RHSA-2021:4088)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:4088 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirement...

RHEL 8 : kernel (RHSA-2021:4056)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:4056 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: use-after-free in...

Unspecified vulnerability in Linux kernel (CNVD-2021-84584)

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel powerpc prior to version 5.14.15, which stems from an implementation error in arch/powerpc/kvm/book3shvrmhandlers when handling...

CVE-2021-43056

A denial of service problem was found in the Linux kernel's Kernel-based Virtual Machine KVM specific to PowerPC. In this flaw, a user with local access can confuse the host offline code, causing the guest to crash. Mitigation Mitigation for this issue is either not available or the currently...

UVI-2021-1001894 KVM: arm64: Fix host stage-2 PGD refcount

KVM: arm64: Fix host stage-2 PGD refcount 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 v5.14.15 by commit...