Confirmed patch is in Bionic Ubuntu-4.15.0-31.33~528 as commit:
a548d54749dd s390/zcrypt: Fix CCA and EP11 CPRB processing failure memory leak.
Confirmed patch is in Bionic Ubuntu- 4.15.0- 31.33~528 as commit:
a548d54749dd s390/zcrypt: Fix CCA and EP11 CPRB processing failure memory leak.