This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:

apport-collect 1927682

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

** Changed in: linux (Ubuntu Bionic)
       Status: New => Incomplete

** Changed in: linux (Ubuntu Focal)
       Status: New => Incomplete

** Changed in: linux (Ubuntu Groovy)
       Status: New => Incomplete

** Changed in: linux (Ubuntu Hirsute)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1927682

Title:
   netfilter: x_tables: fix compat match/target pad out-of-bound write

Status in linux package in Ubuntu:
  Incomplete
Status in linux source package in Bionic:
  Incomplete
Status in linux source package in Focal:
  Incomplete
Status in linux source package in Groovy:
  Incomplete
Status in linux source package in Hirsute:
  Incomplete

Bug description:
  This issue:

  
https://github.com/torvalds/linux/commit/b29c457a6511435960115c0f548c4360d5f4801d

  
  [Impact]
  Data corruption and/or leak.

  [Fix]
  Zero out entire data structure beforehand

  
  [Test]
  Boot-test only so far.

  [Regression Potential]
  Possible effect on iptables/nftables. Though considered minimal risk as the 
patch has only a very localized effect and is accepted upstream in v5.12

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