/etc/logcheck/violations.d/kernel is in logcheck-database 1.3.14.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | ^\w{3} [ :0-9]{11} [._[:alnum:]-]+ kernel:( \[ *[[:digit:]]+\.[[:digit:]]+\])? [[:alnum:]]+: media error \(bad sector\): status=0x[[:xdigit:]]+ { DriveReady SeekComplete Error }$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ kernel:( \[ *[[:digit:]]+\.[[:digit:]]+\])? end_request: I/O error, dev [[:alnum:]]+, sector [[:digit:]]+
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