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 (Ubuntu)
Assignee: Tyler Hicks (tyhicks) => (unassigned)
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https://bugs.launchpad.net/bugs/1855336
Title:
CONFIG_DEBUG_SG should be enabled
Status in linux package in Ubuntu:
Triaged
Bug description:
We should enable CONFIG_DEBUG_SG to perform sanity checks when performing
operations on scatterlists. If a sanity check fails a loud warning is
printed to the logs.
This change may help in detection of an attack that relies on
scatterlist manipulation.
This config option is recommended by the Kernel Self Protection
Project[1].
[1]
https://kernsec.org/wiki/index.php/Kernel_Self_Protection_Project/Recommended_Settings
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