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THREAT OPS › Threat News › [NVD] CVE-2026-64561 (HIGH 8.8) — In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Check for invalid/obsolete root *after* making MMU pages available Check for a "stale" page fault, i.e. for an invalid and/or obsolete root, after making MMU pages available for the shadow MMU. If re

[NVD] CVE-2026-64561 (HIGH 8.8) — In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Check for invalid/obsolete root *after* making MMU pages available Check for a "stale" page fault, i.e. for an invalid and/or obsolete root, after making MMU pages available for the shadow MMU. If re

mednvdPublished 2026-08-04

CVE-2026-64561 CVSS: 8.8 HIGH Published: 2026-08-04T07:16:30.937

In the Linux kernel, the following vulnerability has been resolved:

KVM: x86: Check for invalid/obsolete root *after* making MMU pages available

Check for a "stale" page fault, i.e. for an invalid and/or obsolete root, after making MMU pages available for the shadow MMU. If reclaiming shadow pages zaps an in-use root, i.e. marks

Indicators of compromise

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-64561

Same event, other sources