CVE-2026-46131

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: check for nEPT/nNPT in slow flush hypercalls Checking is_...

Published: 2026-05-28 · Last updated: 2026-05-28

Severity and scoring

Description

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

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2026-46131
[Other]https://git.kernel.org/stable/c/45fc766bc756ff1d66f8ca026a9c4f7f764adfae
[Other]https://git.kernel.org/stable/c/464af6fc2b1dcc74005b7f58ee3812b17777efee
[Other]https://git.kernel.org/stable/c/4c7f8436b19a2a3acc0cb6b6e3becd6796ae5c57
[Other]https://git.kernel.org/stable/c/971f17f5d91045404e3914029ea57c3da90179a4
[Other]https://git.kernel.org/stable/c/d6f4e217d663ede5becc2fd6cb612c749677387b