CVE-2026-64283

A flaw was found in the Linux kernel's Kernel-based Virtual Machine KVM component. An integer overflow vulnerability exists in the guestmemfd functionality when binding memory slots. A malicious guest operating system could exploit this by providing crafted offset and size values, leading to...

CVE-2026-52969

In the Linux kernel, the following vulnerability has been resolved: KVM: Reject wrapped offset in kvmresetdirtygfn kvmresetdirtygfn guards the gfn range with if !memslot || offset + flsmask = memslot-npages return; but offset is u64 and the addition is unchecked. The check can be silently bypasse...

CVE-2026-52969 KVM: Reject wrapped offset in kvm_reset_dirty_gfn()

In the Linux kernel, the following vulnerability has been resolved: KVM: Reject wrapped offset in kvmresetdirtygfn kvmresetdirtygfn guards the gfn range with if !memslot || offset + flsmask = memslot-npages return; but offset is u64 and the addition is unchecked. The check can be silently bypasse...

cockpit security update

310.8-1.0.1 - Fixed cockpitwst selinux issue for tmpfs Orabug: 36013589 - Move update-motd out of cockpitwst context Orabug: 36013589 - Update documentation links Orabug: 34706402 - Drop subscription-manager-cockpit requirement for ol Orabug: 34681110 - Remove duplicate reference to server in...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Immediately reset the MMU context when the SMM flag is cleared The MMU context must be reset immediately when the SMM flag of the vCPU is cleared, so that the SMM flag in the MMU context is always synchronized with the...

CVE-2026-43214

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Add SRCU protection for reading PDPTRs in getsregs2 Add SRCU read-side protection when reading PDPTR registers in getsregs2. Reading PDPTRs may trigger access to guest memory: kvmpdptrread - svmcachereg - loadpdptrs -...

Linux Distros Unpatched Vulnerability : CVE-2025-68810

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: Disallow toggling KVMMEMGUESTMEMFD on an existing memslot Reject attempts to disable...

DEBIAN-CVE-2021-47277

In the Linux kernel, the following vulnerability has been resolved: kvm: avoid speculation-based attacks from out-of-range memslot accesses KVM's mechanism for accessing guest memory translates a guest physical address gpa to a host virtual address using the right-shifted gpa also known as gfn an...

Silicon Labs Gecko Bootloader Input Validation Error Vulnerability

Silicon Labs Gecko Bootloader is a bootloader from Silicon Labs, Inc. A security vulnerability exists in Silicon Labs Gecko Bootloader version 4.3.1 and prior versions that originated from allowing unrestricted memory access while reading or writing to a memory slot...

SUSE CVE-2012-2121

The KVM implementation in the Linux kernel before 3.3.4 does not properly manage the relationships between memory slots and the iommu, which allows guest OS users to cause a denial of service memory leak and host OS crash by leveraging administrative access to the guest OS to conduct hotunplug an...

SUSE CVE-2013-1943

The KVM subsystem in the Linux kernel before 3.0 does not check whether kernel addresses are specified during allocation of memory slots for use in a guest's physical address space, which allows local users to gain privileges or obtain sensitive information from kernel memory via a crafted...

SUSE CVE-2013-4592

Memory leak in the kvmsetmemoryregion function in virt/kvm/kvmmain.c in the Linux kernel before 3.9 allows local users to cause a denial of service memory consumption by leveraging certain device access to trigger movement of memory slots...

UBUNTU-CVE-2020-36313

An issue was discovered in the Linux kernel before 5.7. The KVM subsystem allows out-of-range access to memslots after a deletion, aka CID-0774a964ef56. This affects arch/s390/kvm/kvm-s390.c, include/linux/kvmhost.h, and virt/kvm/kvmmain.c...

Denial Of Service (DoS)

kernel is vulnerable to denial of service.The vulnerability exits in the kvmsetmemoryregion function in virt/kvm/kvmmain.c, allowing malicious user to cause an application crash by leveraging certain device access to trigger movement of memory slots...

kernel: kvm: memory leak when memory slot is moved with assigned device

Memory leak in the kvmsetmemoryregion function in virt/kvm/kvmmain.c in the Linux kernel before 3.9 allows local users to cause a denial of service memory consumption by leveraging certain device access to trigger movement of memory slots...

DEBIAN-CVE-2013-4592

Memory leak in the kvmsetmemoryregion function in virt/kvm/kvmmain.c in the Linux kernel before 3.9 allows local users to cause a denial of service memory consumption by leveraging certain device access to trigger movement of memory slots...

Memory corruption

Memory leak in the kvmsetmemoryregion function in virt/kvm/kvmmain.c in the Linux kernel before 3.9 allows local users to cause a denial of service memory consumption by leveraging certain device access to trigger movement of memory slots...

CVE-2013-4592

Memory leak in the kvmsetmemoryregion function in virt/kvm/kvmmain.c in the Linux kernel before 3.9 allows local users to cause a denial of service memory consumption by leveraging certain device access to trigger movement of memory slots...

UBUNTU-CVE-2013-4592

Memory leak in the kvmsetmemoryregion function in virt/kvm/kvmmain.c in the Linux kernel before 3.9 allows local users to cause a denial of service memory consumption by leveraging certain device access to trigger movement of memory slots...

CVE-2013-4592

Memory leak in the kvmsetmemoryregion function in virt/kvm/kvmmain.c in the Linux kernel before 3.9 allows local users to cause a denial of service memory consumption by leveraging certain device access to trigger movement of memory slots...