This bug was fixed in the package linux - 5.8.0-16.17
---
linux (5.8.0-16.17) groovy; urgency=medium
* groovy/linux: 5.8.0-16.17 -proposed tracker (LP: #1891233)
* Miscellaneous Ubuntu changes
- hio -- Update to use bio_{start,end}_io_acct with 5.8+
- Enable hio driver
This change was applied during the Focal development cycle but then
reverted pending performance testing results. That performance testing
work was never finished and I'm no longer working on this bug.
** Changed in: linux (Ubuntu)
Status: Fix Committed => Triaged
** Changed in: linux
** Changed in: linux (Ubuntu)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1855341
Title:
CONFIG_USELIB should be disabled
To manage notifications
** Description changed:
-
+ We should disable CONFIG_USELIB to make the uselib(2) system call
+ unreachable in an effort to reduce the kernel attack surface.
+
+ The system call is only used by very old libc implementations and is
+ unlikely to be used today.
+
+ This config option is
