Applied to artful/master-next and unstable/master. Patch sent for zesty:
https://lists.ubuntu.com/archives/kernel-team/2017-June/085128.html
** Changed in: linux (Ubuntu)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1700077
Title:
aacraid driver may return uninitialized stack data to userspace
Status in linux package in Ubuntu:
Fix Committed
Status in linux source package in Zesty:
In Progress
Bug description:
SRU Justification
Impact: Recent aacraid backports introduce potential information
leaks, where some stack allocated memory may be copied to userspace
without initialization.
Fix: Clear out the affected memory before using it to ensure that none
is left uninitialized.
Test Case: None. Code review should be sufficient to validate the
changes.
Regression Potential: Negligible. The patch simply memsets some
structs to clear them out prior to any other use.
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aac_send_raw_srb() and aac_get_hba_info() both copy the contents of
stack variables to userspace when some of this memory may be
uninitialized. The memory should be zeroed out initially to prevent
this.
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