CVE-2026-46317 | Linux Kernel up to 6.18.34/7.0.11/7.1-rc6 KVM kvm_unmap_gfn_range nested_mmus[] buffer overflow

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A vulnerability categorized as critical has been discovered in Linux Kernel up to 6.18.34/7.0.11/7.1-rc6. Affected by this issue is the function kvm_unmap_gfn_range of the component KVM. Such manipulation of the argument nested_mmus[] leads to buffer overflow.

This vulnerability is traded as CVE-2026-46317. Access to the local network is required for this attack to succeed. There is no exploit available.

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