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

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-64561 · Microsoft / collected KEV context

cve-program · CVE-2026-64561

• https://git.kernel.org/stable/c/62ef67af1878fa2cd066642f2f59e33ade95f637
• https://git.kernel.org/stable/c/65c4f7a1028cf01a93a2762d679c289810ede990
• https://git.kernel.org/stable/c/35e77467610c4a37cb0ff54ee56b85f73b1f5700
• https://git.kernel.org/stable/c/0026dbb7de8ea76e97d6edf42fc3cc084564e2bf
• https://git.kernel.org/stable/c/f3477a6a4164f15287444eda685b5f6405dbd1e5
• https://git.kernel.org/stable/c/bce0d3c26e2c761a4bf43c8949f333fc7374eb2d
• https://git.kernel.org/stable/c/2abd5287f08319fa35764566b15c6e22cb1068db
• https://github.com/V4bel/Zapscape

No related operational record is retained in the current change model.