Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-31558

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[].
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 4.6%
CVSS Severity
CVSS v3 Score 8.8
Products affected by CVE-2026-31558


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