UBUNTU-CVE-2026-46131

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: check for nEPT/nNPT in slow flush hypercalls Checking isguestmodevcpu is incorrect, because translatenestedgpa is only valid if an L2 guest is running with nested EPT/NPT enabled. Instead use the same condition as...

CVE-2026-46131

The CVE-2026-46131 entry concerns the Linux kernel KVM/x86 hypervisor path. It states a vulnerability in the slow flush hypercalls where the is_guest_mode(vcpu) check is incorrect; translate_nested_gpa() is only valid if an L2 guest is running with nested EPT/NPT enabled. The fix uses the same co...