Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

CVE-2026-64104

Gravedad CVSS v3.1:
ALTA
Tipo:
No Disponible / Otro tipo
Fecha de publicación:
19/07/2026
Última modificación:
20/07/2026

Descripción

*** Pendiente de traducción *** In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> virt: sev-guest: Explicitly leak pages in unknown state<br /> <br /> When set_memory_{encrypted,decrypted}() fail, the user cannot know at which<br /> point the function failed, meaning that the pages are left in an unknown state<br /> from the point of view of the caller.<br /> <br /> Since the pages may be left in an unencrypted state, they are not suitable for<br /> general use, and cannot be returned safely to the buddy allocator. Avoid the<br /> issue by never freeing the pages, and then do the proper accounting by calling<br /> snp_leak_pages().