CVE-2026-63794 KVM: SVM: Fix page overflow in sev_dbg_crypt() for ENCRYPT path

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Fix page overflow in sevdbgcrypt for ENCRYPT path In sevdbgcrypt, the per-iteration transfer length is bounded by the source page offset PAGESIZE - soff but not by the destination page offset PAGESIZE - doff. When doff...