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 the function kvmvcpuinitnested. This function reallocates and releases the kvm-arch.nestedmmus...

EUVD-2026-32774

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fix pin leak and publication ordering in pkvminitvcpu Two bugs exist in the vCPU initialisation path: 1. If a check fails after hyppinsharedmem succeeds, the cleanup path jumps to 'unlock' without calling unpinhostvcp...

PT-2026-44270

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description Two issues exist in the vCPU initialization path of the KVM arm64 component. First, a failure occurring after hyp pin shared mem succeeds can lead to a pin leak, where pin references on...

CVE-2025-48623

In initpkvmhypvcpu of pkvm.c, there is a possible out of bounds write due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation...

SUSE CVE-2024-53228

In the Linux kernel, the following vulnerability has been resolved: riscv: kvm: Fix out-of-bounds array access In kvmriscvvcpusbiinit the entry-extidx can contain an out-of-bound index. This is used as a special marker for the base extensions, that cannot be disabled. However, when traversing the...