Hello, I am running MongoDB under CentOS 7, installed from the official mongodb-org-4.4 yum repo.

I ran yum today and it updated mongodb-org.x86_64 0:4.4.3-1.el7 to mongodb-org.x86_64 0:4.4.4-1.el7.

Mongod then failed to restart. It gave me the following startup error, indicating a problem with the existing certificateKeyFile that I know for certain is valid.

Downgrading MongoDB back to mongodb-org.x86_64 0:4.4.3-1.el7 got things working again.

Here are the error messages from the log:

{"t":\{"$date":"2021-02-24T22:03:15.822+11:00"}

,"s":"I", "c":"CONTROL", "id":20698, "ctx":"main","msg":"***** SERVER RESTARTED *****"}

{"t":\{"$date":"2021-02-24T22:03:15.825+11:00"}

,"s":"E", "c":"NETWORK", "id":23252, "ctx":"main","msg":"Cannot use PEM key file","attr":{"keyFile":"/etc/mongod.pem","error":"error:0B080074:x509 certificate routines:X509_check_private_key:key values mismatch"}}

{"t":\{"$date":"2021-02-24T22:03:15.826+11:00"}

,"s":"F", "c":"CONTROL", "id":20574, "ctx":"main","msg":"Error during global initialization","attr":{"error":

{"code":140,"codeName":"InvalidSSLConfiguration","errmsg":"Can not set up PEM key file."}

}}