CVE-2026-53325

In the Linux kernel, the following vulnerability has been resolved: agp/amd64: Fix broken error propagation in agpamd64probe A NULL pointer dereference was observed in the AMD64 AGP driver when running in a virtualized environment e.g. qemu/kvm without a physical AMD northbridge. The crash occurs...

PT-2026-53209

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 7.1.2-1.1 Description A NULL pointer dereference occurs in the AMD64 AGP driver when operating in virtualized environments, such as qemu/kvm, that lack a physical AMD northbridge. The issue stems from broken erro...

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:...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013790)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013790 advisory. In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Fix crash due to uninitialized currentvmcs KVM enables 'Enlightened VMCS' and...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-010829)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010829 advisory. In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Fix crash due to uninitialized currentvmcs KVM enables 'Enlightened VMCS' and...

USN-6699-1 linux vulnerabilities

Reima Ishii discovered that the nested KVM implementation for Intel x86 processors in the Linux kernel did not properly validate control registers in certain situations. An attacker in a guest VM could use this to cause a denial of service guest crash. CVE-2023-30456 It was discovered that the...

SUSE CVE-2014-7842

Race condition in arch/x86/kvm/x86.c in the Linux kernel before 3.17.4 allows guest OS users to cause a denial of service guest OS crash via a crafted application that performs an MMIO transaction or a PIO transaction to trigger a guest userspace emulation error report, a similar issue to...

CVE-2020-27675

An issue was discovered in the Linux kernel through 5.9.1, as used with Xen through 4.14.x. drivers/xen/events/eventsbase.c allows event-channel removal during the event-handling loop a race condition. This can cause a use-after-free or NULL pointer dereference, as demonstrated by a dom0 crash vi...

QEMU VirtFS Denial of Service Vulnerability (CNVD-2016-12581)

QEMU also known as Quick Emulator is a set of simulation processor software developed by French programmer Fabrice Bellard. The software is fast, cross-platform, etc. VirtFS is a customized virtualized file system for virtualized environments, belonging to the system layer virtualization...

USN-2805-1 linux-lts-utopic vulnerability

Ben Serebrin discovered that the KVM hypervisor implementation in the Linux kernel did not properly catch Alignment Check exceptions. An attacker in a guest virtual machine could use this to cause a denial of service system crash in the host OS...