This bug was fixed in the package memtest86+ - 5.01-3.1ubuntu4
--------------- memtest86+ (5.01-3.1ubuntu4) groovy; urgency=medium
* Close FD 3 when invoking update-grub (LP: #1876506)
-- Julian Andres Klode <email address hidden> Tue, 18 Aug 2020 12:23:25 +0200
This bug was fixed in the package memtest86+ - 5.01-3.1ubuntu4
---------------
memtest86+ (5.01-3.1ubuntu4) groovy; urgency=medium
* Close FD 3 when invoking update-grub (LP: #1876506)
-- Julian Andres Klode <email address hidden> Tue, 18 Aug 2020 12:23:25 +0200