CVE-2023-53769

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> virt/coco/sev-guest: Double-buffer messages<br /> <br /> The encryption algorithms read and write directly to shared unencrypted<br /> memory, which may leak information as well as permit the host to tamper<br /> with the message integrity. Instead, copy whole messages in or out as<br /> needed before doing any computation on them.