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Ggfngfn256 reacted to fabian's post in the thread [SOLVED] Are there mitigations available for CVE-2026-53359 'Januscape' with
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yes, we are aware, and currently preparing fixed kernel packages. the only known mitigation at this time is disabling nested KVM. -
GGilou reacted to fabian's post in the thread [SOLVED] Are there mitigations available for CVE-2026-53359 'Januscape' with Like.
fixed 6.8 and 7.0 kernels are on pve-test (proxmox-kernel-6.8.12-33-pve, proxmox-kernel-7.0.14-4-pve), 6.17 will follow shortly.
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Francois Baillargeon replied to the thread Vmware migration with Vcenter down.Since you mentionned Windows boxes, you might even run this before migrating, this will install virtio devices before transitioning and just boot normally with the VirtIO driver directly https://github.com/croit/load-virtio-scsi-on-boot -
GGilou replied to the thread [SOLVED] Are there mitigations available for CVE-2026-53359 'Januscape'.Also, the PoC published doesn't manage to race on an AMD CPU, host running 7.0.14-3-pve. Do not run it on a production system...
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Francois Baillargeon reacted to d.oishi's post in the thread Vmware migration with Vcenter down with Like.
You can migrate VMs from ESXi even without vCenter Server. There are several methods, but I think it would be best to first try the “Automatic Import of Full VM” method. https://pve.proxmox.com/wiki/Migrate_to_Proxmox_VE...
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Francois Baillargeon replied to the thread Vmware migration with Vcenter down.In a pinch you might even get the VMDK directly from your NFS storage if you are using it
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news replied to the thread Probleme mit CPU auslastung.Nein, auf welcher genauen Hardware läuft der Proxmox VE Server? Welche Einstellungen hat die VM? Ist der qemu guest agent installiert? Welcher? Welche Client Bios/ CPU Einstellungen sind gemacht? -
ESeit letzter Woche habe ich Probleme mit einer VM. Diese hat aus unerfindlichen Grünten eine CPU Auslastung von über 100%, unterbricht alle Terminalsitzungen und ist nach ca. 15 bis 30 Minuten wieder erreichbar. Die VM lief vorher mit den...
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Francois Baillargeon replied to the thread Shutting down the cluster with ceph.Rule of thumb is to be as close as possible for all nodes in your clusters, your idea of upgrading it to be as near as possible is good.
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GGilou replied to the thread [SOLVED] Are there mitigations available for CVE-2026-53359 'Januscape'.Mitigation on hosts not relying on nested virtualization is to indeed disable nested KVM through: options kvm-intel nested=N options kvm-amd nested=0 in /etc/modprobe.d/nested-kvm.conf
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UdoB replied to the thread [TUTORIAL] HiveStation - Developer Workstation for Proxmox Virtual Environment.Do you have pointers to articles supporting this statement? A small size ARC should not rise problems, except performance wise...? The practical lower limit is only reached when the ZFS internal data structures do not fit into it anymore. The... -
Dd.oishi reacted to fabian's post in the thread [SOLVED] Are there mitigations available for CVE-2026-53359 'Januscape' with Like.
yes, we are aware, and currently preparing fixed kernel packages. the only known mitigation at this time is disabling nested KVM.
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FHi everyone, I'm hitting a persistent installation failure when trying to install Proxmox VE 9.2-1 on an older Intel platform. The graphical installer reaches 100% data extraction but consistently crashes during the bootloader/initramfs...
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Moayad replied to the thread Moving disks between templates.You can clone or convert to a regular VM, perform the disk import or move there, then convert the result back into a template with `qm template <VMID>`. Because templates are treated as immutable base images for cloning. -
IIsThisThingOn reacted to Mike_Scholes's post in the thread ZFS raidz1 and snapshots, again with Like.
We have PBS for local backup of our HA cluster, various proxmox servers around the server room and our build proxmox servers. They have various schedules and retention times dependent on data and all encrypted of course. Then we have an air...
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Llonger replied to the thread After deleting the lun and applying "multipathd reconfigure" the gui is not working correctly. D exit_a [vgs].If the process is shown D → the process in an uninterruptible sleep. This state cannot be interrupted by signals. For more details please refer to the PROCESS STATE CODES in man ps[0]. In such cases, it is not possible to resolve the issue...
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UdoB replied to the thread Additional Network configuration.Yes, sure. I am not a pfSense user, so I can not help there. The last octet is basically irrelevant. "192.168.1.225/24" specifies exactly the same network as "192.168.1.123/24" or (cleaner) "192.168.1.0/24" does. "192.168.1.225/24" ist just...
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SSwanand posted the thread VM Boot Issues After Reboot/Shutdown in Proxmox VE: Installation and configuration.we are experiencing an issue with some of the VMs. After a reboot or shutdown, the VMs fail to boot and appear to have either a missing or inaccessible attached drive. We would appreciate your solution in this
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Kkit-mmb reacted to fabian's post in the thread [SOLVED] Are there mitigations available for CVE-2026-53359 'Januscape' with Like.
yes, we are aware, and currently preparing fixed kernel packages. the only known mitigation at this time is disabling nested KVM.
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Stoiko Ivanov reacted to CRCinAU's post in the thread CVE-2026-53359 - KVM Guest can crash host, potentially escape to host as root with Like.
https://app.opencve.io/cve/CVE-2026-53359 This won't get fixed in the 7.0.x kernel tree, but is fixed in kernel versions: * 6.1.177 * 6.6.144 * 6.12.95 * 6.18.38 * 7.1.3 * 7.2-rc1 Reference...
