Public bug reported:
[Impact]
* Currently Canonical Livepatch service is signing kernel modules that
are not trusted by the default Ubuntu kernels
* to make Canonical Livepatch service out of the box compatible with
SecureBoot, please add Canonical Livepatch service key as trusted in the
kernel by default
* if user wants to distrust the key, they can remove it via mokx, dbx,
and we can revoke it by signing revocation with 'canonical master ca'.
[Test Case]
* Boot kernel
* Check the built-in keyring to ensure that Livepatch key is trusted by the
built-in keyring
[Regression Potential]
* Kernel keyring size will increase by one key. And thus kernel image
will too.
[Other Info]
* Current livepatch key fingerprints
mokutil uses der format
$ openssl x509 -inform der -in
/snap/canonical-livepatch/current/keys/livepatch-kmod.x509 -noout -fingerprint
-sha256
SHA256
Fingerprint=A4:1E:49:06:12:DD:38:56:F9:78:82:E3:66:66:9E:95:15:78:8E:65:68:50:35:46:0F:AC:59:72:4A:5B:92:FA
kernel use pem format
$ openssl x509 -inform pem -in debian/canonical-livepatch.pem -noout
-fingerprint -sha256
SHA256
Fingerprint=A4:1E:49:06:12:DD:38:56:F9:78:82:E3:66:66:9E:95:15:78:8E:65:68:50:35:46:0F:AC:59:72:4A:5B:92:FA
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1898716
Title:
Please trust Canonical Livepatch Service kmod signing key
Status in linux package in Ubuntu:
Incomplete
Bug description:
[Impact]
* Currently Canonical Livepatch service is signing kernel modules
that are not trusted by the default Ubuntu kernels
* to make Canonical Livepatch service out of the box compatible with
SecureBoot, please add Canonical Livepatch service key as trusted in
the kernel by default
* if user wants to distrust the key, they can remove it via mokx,
dbx, and we can revoke it by signing revocation with 'canonical master
ca'.
[Test Case]
* Boot kernel
* Check the built-in keyring to ensure that Livepatch key is trusted by the
built-in keyring
[Regression Potential]
* Kernel keyring size will increase by one key. And thus kernel image
will too.
[Other Info]
* Current livepatch key fingerprints
mokutil uses der format
$ openssl x509 -inform der -in
/snap/canonical-livepatch/current/keys/livepatch-kmod.x509 -noout -fingerprint
-sha256
SHA256
Fingerprint=A4:1E:49:06:12:DD:38:56:F9:78:82:E3:66:66:9E:95:15:78:8E:65:68:50:35:46:0F:AC:59:72:4A:5B:92:FA
kernel use pem format
$ openssl x509 -inform pem -in debian/canonical-livepatch.pem -noout
-fingerprint -sha256
SHA256
Fingerprint=A4:1E:49:06:12:DD:38:56:F9:78:82:E3:66:66:9E:95:15:78:8E:65:68:50:35:46:0F:AC:59:72:4A:5B:92:FA
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