** Also affects: linux (Ubuntu Xenial)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Xenial)
Status: New => Fix Released
** Information type changed from Private Security to Public Security
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https://bugs.launchpad.net/bugs/1962315
Title:
xenial upgrade of lockdown patches dropped ioport denial
Status in linux package in Ubuntu:
Fix Committed
Status in linux source package in Xenial:
Fix Released
Bug description:
https://git.launchpad.net/~ubuntu-
kernel/ubuntu/+source/linux/+git/xenial/commit/?id=cc223b88b8e59fca362b426b0cccfe580fd8a68e
Has been shipped from Ubuntu-4.4.0-18.34 until Ubuntu-4.4.0-186.216
As part of an upgrade to newer edition of lockdown patches it was
reverted
https://git.launchpad.net/~ubuntu-
kernel/ubuntu/+source/linux/+git/xenial/commit/?id=009ff27aac7cf36458a035122ecb9cfd4e4d073a
But equivalent functionality does not appear to have been applied.
This was done as part of lockdown patches updates - see
BugLink: https://bugs.launchpad.net/bugs/1884159
https://lists.ubuntu.com/archives/kernel-team/2020-June/111301.html
Now audit is need to be done w.r.t. those patch series across all the
kernels they were applied to ensure nothing else has regressed, etc.
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