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 Qemu

A flaw was discovered in the virtio-net device in QEMU. When the RSS feature is enabled on the virtio-net network card, the indirectionstable data within RSS becomes controllable. Setting values that are excessively large may lead to an index out-of-bounds issue, potentially resulting in a heap...

Astra Linux – Vulnerability in Linux 6.1

A flaw was discovered in KVM. An improper check in svmsetx2apicmsrinterception may allow direct access to the host’s x2apic MSRs when the guest resets its APIC, potentially leading to a denial-of-service condition...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Do not skip unrelated instructions if INT3/INTO is replaced When re-injecting a soft interrupt from an INT3, INT0, or select INTn instruction, discard the exception and retry the instruction if the code stream changes...

EulerOS 2.0 SP13 : kernel (EulerOS-SA-2026-3021)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : USB: core: Limit the length of unkillable synchronous timeoutsCVE-2026-43428 usb: typec: ucsi: validate connector number in...

SUSE SLES15: xen / xen-devel / xen-libs / xen-tools / xen-tools-domU / etc (SUSE-SU-2026:3462-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3462-1 advisory. This update for xen fixes the following issues - CVE-2026-42493: x86 shadow paging is deprecated bsc1271528. -...

kernel: KVM: x86: Check for invalid/obsolete root *after* making MMU pages available

A flaw was found in KVM in the Linux kernel. This vulnerability occurs due to improper validation of memory management unit MMU page roots after these pages are made available. An attacker could exploit this by triggering a scenario where KVM attempts to map memory into an invalid root, causing...

CVE-2026-47876 VMXNET3 out-of-bounds write vulnerability

VMware ESX contains an out-of-bounds write vulnerability in the VMXNET3 virtual network adapter. A malicious actor with local administrative privileges on a virtual machine with VMXNET3 virtual network adapter may exploit this issue to execute code on the host. Non VMXNET3 virtual adapters are no...

Linux Distros Unpatched Vulnerability : CVE-2026-64284

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Ensure vendor's exit handler runs before fastpath userspace exits Move the handlin...

EulerOS Virtualization 2.10.0 : qemu (EulerOS-SA-2026-2867)

According to the versions of the qemu packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : A flaw was found in the virtio-crypto device of QEMU. A malicious guest operating system can exploit a missing length limit in the...

Linux Distros Unpatched Vulnerability : CVE-2026-64172

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Disable AVIC IPI virtualization on Hygon Family 18h erratum 1235 Hygon Family 18h...

Linux Distros Unpatched Vulnerability : CVE-2026-63939

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Compute the correct max length of the in-GHCB scratch area When setting the length...

CVE-2026-23560

A flaw was found in Xen. A virtual machine administrator vm-admin can exploit this by setting the VM.other-config:issystemdomain parameter, which allows them to mark a virtual machine as a system domain. This can lead to the virtual machine being ignored and remaining operational during critical...

Januscape

Januscape: Guest-to-Host Escape in KVM/x86 Abstract...

UBUNTU-CVE-2026-46874

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization component: Core. The supported version that is affected is 7.2.8. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle V...

CVE-2026-34193

Kernel software installed and running inside a Guest/Host VM may post improper commands to the GPU Firmware to trigger a write of data outside the intended GPU memory. A logic error in the address translation allowed a compromised Host Kernel to perform arbitrary writes to firmware memory...

SUSE CVE-2026-46071

In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Avoid clearing VMCBLBR in vmcb12 svmcopylbrs always marks VMCBLBR dirty in the destination VMCB. However, nestedsvmvmexit uses it to copy LBRs to vmcb12, and clearing clean bits in vmcb12 is not architecturally defined...

UBUNTU-CVE-2026-46082

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Inject UD for INVLPGA if EFER.SVME=0 INVLPGA should cause a UD when EFER.SVME is not set. Add a check to properly inject UD when EFER.SVME=0. sean: tag for stable@...

CVE-2026-46082

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Inject UD for INVLPGA if EFER.SVME=0 INVLPGA should cause a UD when EFER.SVME is not set. Add a check to properly inject UD when EFER.SVME=0. sean: tag for stable@...

CVE-2026-46082 KVM: SVM: Inject #UD for INVLPGA if EFER.SVME=0

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Inject UD for INVLPGA if EFER.SVME=0 INVLPGA should cause a UD when EFER.SVME is not set. Add a check to properly inject UD when EFER.SVME=0. sean: tag for stable@...