Ubuntu: Security Advisory (USN-6686-4)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 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...

USN-6686-4: Linux kernel (KVM) vulnerabilities

It was discovered that the DesignWare USB3 for Qualcomm SoCs driver in the Linux kernel did not properly handle certain error conditions during device registration. A local attacker could possibly use this to cause a denial of service system crash. CVE-2023-22995 It was discovered that a race...

Important: Red Hat Security Advisory: edk2 security update

An update for edk2 is now available for Red Hat Enterprise Linux 8.8 Extended 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 ea...

SUSE CVE-2021-47112

In the Linux kernel, the following vulnerability has been resolved: x86/kvm: Teardown PV features on boot CPU as well Various PV features Async PF, PV EOI, steal time work through memory shared with hypervisor and when we restore from hibernation we must properly teardown all these features to ma...

Ubuntu: Security Advisory (USN-6701-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 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...

USN-6699-1: Linux kernel vulnerabilities

Reima Ishii discovered that the nested KVM implementation for Intel x86 processors in the Linux kernel did not properly validate control registers in certain situations. An attacker in a guest VM could use this to cause a denial of service guest crash. CVE-2023-30456 It was discovered that the...

CVE-2021-47112

In the Linux kernel, the following vulnerability has been resolved: x86/kvm: Teardown PV features on boot CPU as well Various PV features Async PF, PV EOI, steal time work through memory shared with hypervisor and when we restore from hibernation we must properly teardown all these features to ma...

CVE-2021-47112

In the Linux kernel, the following vulnerability has been resolved: x86/kvm: Teardown PV features on boot CPU as well Various PV features Async PF, PV EOI, steal time work through memory shared with hypervisor and when we restore from hibernation we must properly teardown all these features to ma...

CVE-2021-47112

In the Linux kernel, the following vulnerability has been resolved: x86/kvm: Teardown PV features on boot CPU as well Various PV features Async PF, PV EOI, steal time work through memory shared with hypervisor and when we restore from hibernation we must properly teardown all these features to ma...

UBUNTU-CVE-2021-47112

In the Linux kernel, the following vulnerability has been resolved: x86/kvm: Teardown PV features on boot CPU as well Various PV features Async PF, PV EOI, steal time work through memory shared with hypervisor and when we restore from hibernation we must properly teardown all these features to ma...

CVE-2021-47112 x86/kvm: Teardown PV features on boot CPU as well

In the Linux kernel, the following vulnerability has been resolved: x86/kvm: Teardown PV features on boot CPU as well Various PV features Async PF, PV EOI, steal time work through memory shared with hypervisor and when we restore from hibernation we must properly teardown all these features to ma...

CVE-2021-47112 x86/kvm: Teardown PV features on boot CPU as well

In the Linux kernel, the following vulnerability has been resolved: x86/kvm: Teardown PV features on boot CPU as well Various PV features Async PF, PV EOI, steal time work through memory shared with hypervisor and when we restore from hibernation we must properly teardown all these features to ma...

CVE-2021-47112

CVE-2021-47112 affects the Linux kernel x86/KVM subsystem. The issue is that PV (paravirtualization) features (Async PF, PV EOI, steal time) share memory with the hypervisor and are not properly torn down when resuming from hibernation, risking hypervisor access to stale memory locations after sw...

CVE-2021-47112

In the Linux kernel, the following vulnerability has been resolved: x86/kvm: Teardown PV features on boot CPU as well Various PV features Async PF, PV EOI, steal time work through memory shared with hypervisor and when we restore from hibernation we must properly teardown all these features to ma...

CVE-2021-47110

CVE-2021-47110 affects the Linux kernel’s x86/kvm subsystem. The issue: kvmclock was only disabled on boot CPU during shutdown via machine_shutdown(), leaving other CPUs with a live kvmclock and risking memory corruption on events like Hibernate restore. Root cause: kvmclock MSR is not universall...

CVE-2021-47110 x86/kvm: Disable kvmclock on all CPUs on shutdown

In the Linux kernel, the following vulnerability has been resolved: x86/kvm: Disable kvmclock on all CPUs on shutdown Currenly, we disable kvmclock from machineshutdown hook and this only happens for boot CPU. We need to disable it for all CPUs to guard against memory corruption e.g. on restore...

CVE-2021-47110 x86/kvm: Disable kvmclock on all CPUs on shutdown

In the Linux kernel, the following vulnerability has been resolved: x86/kvm: Disable kvmclock on all CPUs on shutdown Currenly, we disable kvmclock from machineshutdown hook and this only happens for boot CPU. We need to disable it for all CPUs to guard against memory corruption e.g. on restore...

CVE-2021-47110

In the Linux kernel, the following vulnerability has been resolved: x86/kvm: Disable kvmclock on all CPUs on shutdown Currenly, we disable kvmclock from machineshutdown hook and this only happens for boot CPU. We need to disable it for all CPUs to guard against memory corruption e.g. on restore...

SUSE CVE-2024-26617

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: move mmu notification mechanism inside mm lock Move mmu notification mechanism inside mm lock to prevent race condition in other components which depend on it. The notifier will invalidate memory range. Depending...

[SECURITY] Fedora 39 Update: edk2-20240214-2.fc39

EDK II is a modern, feature-rich, cross-platform firmware development environment for the UEFI and PI specifications. This package contains sample 64-bit UEFI firmware builds for QEMU and KVM...