kernel: pstore/ram: Check start of empty przs during init

An out of bounds array vulnerability exists in the linux kernel, such that a missing check on the start field of a PRZ persistent ram zone during initialization leads to damage to the availability and integrity of the system...

CVE-2023-53331

In the Linux kernel, the following vulnerability has been resolved: pstore/ram: Check start of empty przs during init After commit 30696378f68a "pstore/ram: Do not treat empty buffers as valid", initialization would assume a prz was valid after seeing that the buffersize is zero regardless of the...