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CVE-2026-31558

HIGH CVSS: 8.8 Published: 2026-04-24 Modified: 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Make kvm_get_vcpu_by_cpuid() more robust kvm_get_vcpu_by_cpuid() takes a cpuid parameter whose type is int, so cpuid can be negative. Let kvm_get_vcpu_by_cpuid() return NULL for this case so as to make it more robust. This fix an out-of-bounds access to kvm_arch::phyid_map::phys_map[].

Affected Platforms

Linux Linux Kernel

Weakness Type

CWE-125

References