This bug was nominated against a series that is no longer supported, ie
yakkety. The bug task representing the yakkety nomination is being
closed as Won't Fix.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu Yakkety)
Status: In Progress => Won't Fix
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https://bugs.launchpad.net/bugs/1658255
Title:
Kernel not enforcing module signatures under SecureBoot
Status in linux package in Ubuntu:
In Progress
Status in linux source package in Yakkety:
Won't Fix
Status in linux source package in Zesty:
In Progress
Bug description:
$ sudo mokutil --sbstate
SecureBoot enabled
$ cat /proc/sys/kernel/moksbstate_disabled
0
$ sudo insmod ./hello.ko
$ echo $?
0
$ dmesg | grep Hello
[00112.530866] Hello, world!
$ strings /lib/modules/$(uname -r)/kernel/lib/test_module.ko | grep signature
~Module signature appended~
$ strings hello.ko | grep signature
$ uname -r
4.8.0-34-generic
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