CVE-2026-64287 | Linux Kernel up to 6.6.144/6.12.96/6.18.39/7.1.3 KVM arm64 pKVM hyp vCPU flush_hyp_vcpu used_lrs out-of-bounds

A vulnerability, which was classified as very critical, has been found in Linux Kernel up to 6.6.144/6.12.96/6.18.39/7.1.3. This affects the function flush_hyp_vcpu of the component KVM arm64 pKVM hyp vCPU. This manipulation of the argument used_lrs causes out-of-bounds read.

This vulnerability appears as CVE-2026-64287. The attack may be initiated remotely. There is no available exploit.

It is advisable to upgrade the affected component.VulDB Recent EntriesRead More