CVE-2026-64310 crypto: ccp - Do not initialize SNP for SEV ioctls

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - Do not initialize SNP for SEV ioctls Sashiko notes: if SEV initialization fails and KVM is actively running normal VMs, could a userspace process trigger this code path via /dev/sev ioctls e.g., SEVPDHGEN and zero o...

CVE-2025-48514

Insufficient Granularity of Access Control in SEV firmware can allow a privileged attacker to create a SEV-ES Guest to attack SNP guest, potentially resulting in a loss of confidentiality...

CVE-2025-0031

A use after free in the SEV firmware could allow a malicous hypervisor to activate a migrated guest with the SINGLESOCKET policy on a different socket than the migration agent potentially resulting in loss of integrity...

CVE-2025-29946

Insufficient or Incomplete Data Removal in Hardware Component in SEV firmware doesn't fully flush IOMMU. This can potentially lead to a loss of confidentiality and integrity in guest memory...

PT-2026-7447

Insufficient or Incomplete Data Removal in Hardware Component in SEV firmware doesn't fully flush IOMMU. This can potentially lead to a loss of confidentiality and integrity in guest memory...

CVE-2021-26404

Improper input validation and bounds checking in SEV firmware may leak scratch buffer bytes leading to potential information disclosure...