Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM – Fix for a panic occurring on an out-of-bounds guest IRQ. Since the guestIRQ comes from the KVMIRQFD API call, it may trigger a crash in svmupdatepiirte, due to an out-of-bounds access. Crash output: pid: 22218 task:...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Pages may be leaked if setmemoryencrypted fails. In CoCo VMs, it is possible for the untrusted host to cause setmemoryencrypted or setmemorydecrypted to fail, resulting in an error and the shared memory being...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: scsi: lpfc: Moved the unregistration of NPIV’s transport to after resource cleanup. There are cases after NPIV is deleted where the fabric switch still believes that NPIV is logged into the fabric. This occurs when a vport is...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Always use vmcb01 in the emulation of VMLOAD/VMSAVE. The commit cc3ed80ae69f states that “KVM: nSVM: always use vmcb01 for vmsave/vmload of guest state”. This commit ensured that KVM always used vmcb01 for the fields...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Check instead of asserting on nested TSC scaling support Check for nested TSC scaling support on nested SVM VMRUN instead of asserting that TSC scaling is exposed to L1 if L1’s MSRAMD64TSCRATIO has diverged from KVM’s...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Forcibly leave nested virtualization mode when SMM state is toggled The nested virtualization mode is forcibly exited if the user space toggles the SMM state using KVMSETVCPUEVENTS or KVMSYNCX86EVENTS. If the user space...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: KVM: Fixed a data race on lastboostedvcpu in kvmvcpuonspin. Used READ,WRITEONCE to access kvm-lastboostedvcpu to ensure that reads and writes are atomic. In the extremely unlikely scenario where the compiler introduces errors in...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pv: fix index value of replaced ASCE The index field of the struct page corresponding to a guest ASCE should be 0. When replacing the ASCE in s390replaceasce, the index of the new ASCE should also be set to 0. Using th...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: KVM: Explicitly verify that the target vCPU is online in kvmgetvcpu It is necessary to explicitly verify that the target vCPU is fully online prior to clamping the index in kvmgetvcpu. If the index is “bad”, the nospec clamping...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: KVM: x86/pmu: Disabled support for adaptive PEBS. Support for virtualizing adaptive PEBS has been discontinued. This is because KVM’s implementation is architecturally broken without an obvious or easy way to address this issu...

CVE-2026-53882

An improper link resolution before file access 'link following' vulnerability has been reported to affect Virtualization Station. If a remote attacker gains a user account, they can then exploit the vulnerability to compromise the security of the system. We have already fixed the vulnerability in...

CVE-2026-53882 Path Traversal in Virtualization Station VM Import

An improper link resolution before file access 'link following' vulnerability has been reported to affect Virtualization Station. If a remote attacker gains a user account, they can then exploit the vulnerability to compromise the security of the system. We have already fixed the vulnerability in...

EUVD-2026-101982

An improper link resolution before file access 'link following' vulnerability has been reported to affect Virtualization Station. If a remote attacker gains a user account, they can then exploit the vulnerability to compromise the security of the system. We have already fixed the vulnerability in...

CVE-2026-53882

A path traversal vulnerability exists in Virtualization Station due to improper link resolution before file access (CWE-59) during the VM Import process. A remote attacker with a valid user account can exploit this flaw to compromise system security. The vulnerability is addressed in Virtualizati...

Trusted Execution Environment Privilege Escalation

The vulnerability of the trusted execution environment for Virtualization-Based Security VBS in Windows operating systems is related to the use of memory after it is freed. Exploiting this vulnerability can allow an attacker to increase their privileges...

CVE-2026-53882: Improper Link Resolution Before File Access

An improper link resolution before file access 'link following' vulnerability has been reported to affect Virtualization Station. If a remote attacker gains a user account, they can then exploit the vulnerability to compromise the security of the system. We have already fixed the vulnerability in...

CVE-2026-68081

A flaw was found in the KVM Kernel-based Virtual Machine component of the Linux kernel, specifically within its nested virtualization nVMX feature. When a nested virtual machine VM attempts to enter an invalid guest state during VMLAUNCH or VMRESUME operations, the system fails to properly releas...

claude-code-macos-poc

Claude Isolation Workstation This is an experimental applicat...

Important: Red Hat Security Advisory: OpenShift Virtualization v4.22 Images

Red Hat OpenShift Virtualization release v4.22 is now available with updates to packages and images that fix several bugs and add enhancements. OpenShift Virtualization is Red Hat's virtualization solution designed for Red Hat OpenShift Container Platform. This advisory contains OpenShift...

trusted execution environment Privilege Escalation

The vulnerability of the trusted execution environment for Virtualization-Based Security VBS in Windows operating systems is related to a numerical overflow condition. Exploiting this vulnerability can allow an attacker to increase their privileges...