CVE-2021-38198

PoC —

CVSS 3.1

5.5 medium

EPSS

<1%p39

Published

Aug 8, 2021 (Aug 8, 2021)

Modified

Jun 17, 2026

Description

arch/x86/kvm/mmu/paging_tmpl.h in the Linux kernel before 5.12.11 incorrectly computes the access permissions of a shadow page, leading to a missing guest protection page fault.

Vendors: linux debian
Products: linux kernel, debian linux
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.5%)

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