[LU-9692] kernel update [SLES12 SP2 4.4.59-92.20] Created: 20/Jun/17  Updated: 14/Jul/17  Resolved: 14/Jul/17

Status: Resolved
Project: Lustre
Component/s: None
Affects Version/s: None
Fix Version/s: None

Type: Bug Priority: Minor
Reporter: Bob Glossman (Inactive) Assignee: Bob Glossman (Inactive)
Resolution: Won't Fix Votes: 0
Labels: None

Issue Links:
Related
is related to LU-9459 kernel update [SLES12 SP2 4.4.59-92.17] Resolved
is related to LU-9718 kernel update [SLES12 SP2 4.4.59-92.24] Resolved
Severity: 3
Rank (Obsolete): 9223372036854775807

 Description   

The SUSE Linux Enterprise 12 SP2 kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

  • CVE-2017-1000364: The default stack guard page was too small and could be "jumped over" by userland programs using
    more than one page of stack in functions and so lead to memory corruption. This update extends the stack guard page
    to 1 MB (for 4k pages) and 16 MB (for 64k pages) to reduce this attack vector. This is not a kernel bugfix, but a
    hardening measure against this kind of userland attack.(bsc#1039348)

The following non-security bugs were fixed:

  • There was a load failure in the sha-mb encryption implementation (bsc#1037384).


 Comments   
Comment by Gerrit Updater [ 20/Jun/17 ]

Bob Glossman (bob.glossman@intel.com) uploaded a new patch: https://review.whamcloud.com/27741
Subject: LU-9692 kernel: kernel update [SLES12 SP2 4.4.59-92.20]
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: 14545b13e4a5cbe36619b726e4a423e08c93b390

Comment by Bob Glossman (Inactive) [ 14/Jul/17 ]

This ticket is now obsolete. Replaced by LU-9718.

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