← Späť na vyhľadávanie CVE

CVE-2026-63938

KVM

Popis

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Check PSC request indices against the actual size of the buffer When processing Page State Change (PSC) requests, validate the PSC buffer against the effective size of the scratch area, which could be less than the maximum size if the guest provided a pointer that isn-t exactly at the start of the GHCB shared buffer.

CVSS 9.3EPSS 0.18%Riziko 0.95
Zobraziť zdroj
Zverejnené
2026-07-19 16:17:12
Dotknuté verzie
unknown
Typ
Kritický softvér
Posledná úprava
2026-07-27 17:44:23
Vektor
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H