CVE-2026-63940
Gravedad CVSS v3.1:
CRÍTICA
Tipo:
No Disponible / Otro tipo
Fecha de publicación:
19/07/2026
Última modificación:
27/07/2026
Descripción
*** Pendiente de traducción *** In the Linux kernel, the following vulnerability has been resolved:<br />
<br />
KVM: SEV: Ignore Port I/O requests of length &#39;0&#39;<br />
<br />
Explicitly ignore Port I/O requests of length &#39;0&#39; (or count &#39;0&#39;), so that<br />
setting up the software scratch area (and other code) doesn&#39;t have to<br />
worry about underflowing the length, and to allow for WARNing on trying<br />
to configure the scratch area with len==0.
Impacto
Puntuación base 3.x
9.30
Gravedad 3.x
CRÍTICA