CVE-2024-26992 KVM: x86/pmu: Disable support for adaptive PEBS

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/pmu: Disable support for adaptive PEBS Drop support for virtualizing adaptive PEBS, as KVM's implementation is architecturally broken without an obvious/easy path forward, and because exposing adaptive PEBS can leak host...

CVE-2024-26992

The CVE-2024-26992 entry concerns the Linux kernel KVM: x86/pmu feature to disable adaptive PEBS. The advisory states that adaptive PEBS support is dropped due to architectural/breakage and because adaptive PEBS could leak host LBRs/addresses to guests. Root causes include: (1) improper handling ...

CVE-2024-26992

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/pmu: Disable support for adaptive PEBS Drop support for virtualizing adaptive PEBS, as KVM's implementation is architecturally broken without an obvious/easy path forward, and because exposing adaptive PEBS can leak host...

Virtuozzo Hybrid Infrastructure 6.0 Update 1 Hotfix 2 (6.0.1-88)

This update provides stability improvements. Vulnerability id: VSTOR-80869 Snapshot creation for volumes stored on external NFS may fail under certain circumstances. Vulnerability id: VSTOR-81489 Some requests to the S3 service may fail with the 504 HTTP error. Vulnerability id: VSTOR-81846 Fixed...

kernel: x86/sev: Make enc_dec_hypercall() accept a size instead of npages

In the Linux kernel, the following vulnerability has been resolved: x86/sev: Make encdechypercall accept a size instead of npages encdechypercall accepted a page count instead of a size, which forced its callers to round up. As a result, non-page aligned vaddrs caused pages to be spuriously marke...

kernel: x86/sev: Make enc_dec_hypercall() accept a size instead of npages

In the Linux kernel, the following vulnerability has been resolved: x86/sev: Make encdechypercall accept a size instead of npages encdechypercall accepted a page count instead of a size, which forced its callers to round up. As a result, non-page aligned vaddrs caused pages to be spuriously marke...

Virtuozzo Hybrid Infrastructure 5.4 Update 4 Hotfix 4 (5.4.4-141)

This update provides stability and performance improvements. Vulnerability id: VSTOR-77889 Cannot download updates if some incompatible legacy packages are installed. Vulnerability id: VSTOR-77910 Nginx cannot start after an update due to a legacy certificate format. Vulnerability id: VSTOR-75705...

Live migration within a pool that doesn't have shared storage by using the xe CLI

To migrate VMs between hosts that do not share storage storage live migration by using the xe CLI, not XenCenter...

Virtuozzo Hybrid Server 7.5 Update 5 (7.5.5-249)

Virtuozzo Hybrid Server 7.5 Update 5 introduces new features and provides stability and usability bug fixes. Additionally, it provides a new kernel 3.10.0-1160.90.1.vz7.200.7. Vulnerability id: PSBM-148279 Live migration of Windows 2008 Server R2 virtual machines between Virtuozzo Hybrid Server 7...

Rocky Linux and virt-devel:Rocky Linux bug fix update

An update is available for sgabios, module.hivex, module.libvirt, module.virt-v2v, hivex, perl-Sys-Virt, module.libguestfs, module.nbdkit, netcf, swtpm, module.qemu-kvm, module.seabios, module.libvirt-python, virt-v2v, libtpms, module.supermin, libvirt-dbus, qemu-kvm, supermin, module.libvirt-dbu...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel 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 th...

SUSE CVE-2013-4356

Xen 4.3.x writes hypervisor mappings to certain shadow pagetables when live migration is performed on hosts with more than 5TB of RAM, which allows local 64-bit PV guests to read or write to invalid memory and cause a denial of service crash...

SUSE CVE-2013-4497

The XenAPI backend in OpenStack Compute Nova Folsom, Grizzly, and Havana before 2013.2 does not properly apply security groups 1 when resizing an image or 2 during live migration, which allows remote attackers to bypass intended restrictions...

SUSE CVE-2013-7130

The icreateimagesandbacking aka createimagesandbacking method in libvirt driver in OpenStack Compute Nova Grizzly, Havana, and Icehouse, when using KVM live block migration, does not properly create all expected files, which allows attackers to obtain snapshot root disk contents of other users vi...

SUSE CVE-2015-2687

OpenStack Compute nova Icehouse, Juno and Havana when live migration fails allows local users to access VM volumes that they would normally not have permissions for...

SUSE CVE-2018-14636

Live-migrated instances are briefly able to inspect traffic for other instances on the same hypervisor. This brief window could be extended indefinitely if the instance's port is set administratively down prior to live-migration and kept down after the migration is complete. This is possible due ...

SUSE CVE-2020-17376

An issue was discovered in Guest.migrate in virt/libvirt/guest.py in OpenStack Nova before 19.3.1, 20.x before 20.3.1, and 21.0.0. By performing a soft reboot of an instance that has previously undergone live migration, a user may gain access to destination host devices that share the same paths ...

USN-5866-1 nova vulnerabilities

It was discovered that Nova did not properly manage data logged into the log file. An attacker with read access to the service's logs could exploit this issue and may obtain sensitive information. This issue only affected Ubuntu 16.04 ESM and Ubuntu 18.04 LTS. CVE-2015-9543 It was discovered that...

Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS : Nova vulnerabilities (USN-5866-1)

The remote Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5866-1 advisory. It was discovered that Nova did not properly manage data logged into the log file. An attacker with read access to the service's...

GSD-2023-1000319 xen-netfront: Fix NULL sring after live migration

xen-netfront: Fix NULL sring after live migration 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 v4.19.269 by commit...