Package: grub-pc Version: 2.06-3~deb10u3 The error message during an "apt upgrade" that includes grub-pc is:
open2: exec of /tmp/grub-pc.config.ajRf2i configure 2.06-3~deb10u2 failed: Permission denied at /usr/share/perl5/Debconf/ConfModule.pm line 59. The problem is that apt upgrade assumes /tmp is mounted exec. Common security practice is to mount /tmp noexec, which I do. Apt install scripts could instead be executed without being exec by passing them as a parameter to the shell command. Also, after the error, the apt upgrade finished instead of aborting, leaving my system in an unknown state. I had to remount /tmp with exec and reinstall the grub packages. My system is: $ uname -a Linux lapdog 5.10.0-15mx-amd64 #1 SMP Debian 5.10.120-1~mx19+1 (2022-06-13) x86_64 GNU/Linux
