CVE-2026-23198 KVM: Don't clobber irqfd routing type when deassigning irqfd

In the Linux kernel, the following vulnerability has been resolved: KVM: Don't clobber irqfd routing type when deassigning irqfd When deassigning a KVMIRQFD, don't clobber the irqfd's copy of the IRQ's routing entry as doing so breaks kvmarchirqbypassdelproducer on x86 and arm64, which explicitly...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from KVM’s failure to properly allocate irqfd when canceling the allocation, leading to incorrect...

SUSE CVE-2022-49154

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: fix panic on out-of-bounds guest IRQ As guestirq is coming from KVMIRQFD API call, it may trigger crash in svmupdatepiirte due to out-of-bounds: crash bt PID: 22218 TASK: ffff951a6ad74980 CPU: 73 COMMAND: "vcpu8" 0...

DEBIAN-CVE-2024-4693

A flaw was found in the QEMU Virtio PCI Bindings hw/virtio/virtio-pci.c. An improper release and use of the irqfd for vector 0 during the boot process leads to a guest triggerable crash via vhostnetstop. This flaw allows a malicious guest to crash the QEMU process on the host...

PT-2024-32284 · Qemu +3 · Qemu +3

Name of the Vulnerable Software and Affected Versions: QEMU affected versions not specified Description: A flaw was found in the QEMU Virtio PCI Bindings, specifically in the hw/virtio/virtio-pci.c file. This issue is related to an improper release and use of the irqfd for vector 0 during the boo...