Fix potential null pointer dereference on kernfs
Bug #1874221 reported by
Kai-Heng Feng
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
HWE Next |
Fix Released
|
Undecided
|
Unassigned | ||
linux (Ubuntu) |
Fix Released
|
Undecided
|
Unassigned | ||
Eoan |
Fix Released
|
Undecided
|
Unassigned |
Bug Description
[Impact]
We are seeing a null kernel dereference on kernfs during system sleep
stress.
[Fix]
Make sure kernfs root is not null.
[Test]
Run sleep stress. Not seeing the issue after the fix is applied.
[Regression Potential]
Low. Fix limits to kernfs, also the it has been in upstream kernel for
quite a while.
CVE References
tags: | added: busan oem-priority originate-from-1865972 |
Changed in linux (Ubuntu Eoan): | |
status: | Incomplete → Fix Committed |
tags: |
added: verification-done-eoan removed: verification-needed-eoan |
Changed in linux (Ubuntu): | |
status: | Incomplete → Fix Released |
Changed in hwe-next: | |
status: | New → Fix Released |
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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 1874221
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.