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...

The vulnerability of the __sev_firmware_shutdown() function in the drivers/crypto/ccp/sev-dev.c driver of the Linux kernel’s cryptographic accelerator module allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the sevfirmwareshutdown function in the drivers/crypto/ccp/sev-dev.c file of the Linux kernel cryptographic accelerator driver involves the assignment of a null pointer. Exploiting this vulnerability could allow an attacker, operating remotely, to compromise the...