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KVM

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medium advisory

Vulnerability in Linux KVM MMU Page Management

CVE-2026-64561 identifies a flaw in the Linux KVM hypervisor where incorrect validation of MMU pages could lead to memory management inconsistencies.

KVM vulnerability linux virtualization informational privilege-escalation kernel kernel-vulnerability arm64
1t 1c updated
medium threat

KVM Guest-Triggerable Denial-of-Service Vulnerability (CVE-2026-63806)

A denial-of-service vulnerability (CVE-2026-63806) has been identified in KVM's ioeventfd datamatch handling, allowing a guest virtual machine to trigger a BUG_ON() condition on the host, leading to a system crash.

exploited KVM virtualization denial-of-service linux hypervisor
1c
high threat

CVE-2026-53359: KVM x86 Use-After-Free in Shadow Paging

CVE-2026-53359 is a high-severity use-after-free vulnerability affecting the KVM virtualization component on x86 architectures within the Linux kernel, stemming from an unexpected role in shadow paging, which could lead to host system compromise.

exploited PoC Linux kernel +3 linux kernel kvm virtualization vulnerability use-after-free cve
1c 6i updated