Ubuntu
linux package

  1. Focal (20.04)
  2. Bug #1996071
  3. Comment #15

Comment 15 for bug 1996071

Revision history for this message
Frank Heimes (fheimes) wrote :

I've successfully tested and verified this on kinetic and jammy as part of LP#1996069.
Now tested on focal on top:

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.04.5 LTS
Release: 20.04
Codename: focal
$ uname -a
Linux hwe0008 5.4.0-136-generic #153-Ubuntu SMP Thu Nov 24 15:57:18 UTC 2022 s390x s390x s390x GNU/Linux
ubuntu@hwe0008:~$ ls
check_sb_trailer.sh
$ sudo ./check_sb_trailer.sh /boot/vmlinuz-5.4.0-136-generic
Checking secure boot trailer of file /boot/vmlinuz-5.4.0-136-generic
  * Read 32 bytes at offset 0091f218:
    000002107e4d6f64756c65207369676e617475726520617070656e6465647e0a
  * Found signature marker - skipping 568 bytes
  * Read 32 bytes at offset 0091efe0:
    000000000000000000000000000000000000000000000000000000207a49504c
  * Success - Linux kernel trailer found
$

I'm adjusting the tags accordingly ...