Kees - what is the result of 'cat /proc/sys/kernel/secure_boot' ?
** Also affects: linux (Ubuntu Zesty)
Importance: Undecided
Status: Incomplete
** Also affects: linux (Ubuntu Yakkety)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Zesty)
Status: Incomplete => In Progress
** Changed in: linux (Ubuntu Zesty)
Assignee: (unassigned) => Tim Gardner (timg-tpi)
** Changed in: linux (Ubuntu Yakkety)
Status: New => In Progress
** Changed in: linux (Ubuntu Yakkety)
Assignee: (unassigned) => Tim Gardner (timg-tpi)
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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:
In Progress
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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