CVE-2024-53106 ima: fix buffer overrun in ima_eventdigest_init_common

In the Linux kernel, the following vulnerability has been resolved: ima: fix buffer overrun in imaeventdigestinitcommon Function imaeventdigestinit calls imaeventdigestinitcommon with HASHALGOLAST which is then used to access the array hashdigestsize leading to buffer overrun. Have a conditional...