openSUSE Security Update: Security update for tboot
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Announcement ID: openSUSE-SU-2017:3100-1
Rating: important
References: #1041264 #1067229 #1068390 #964408 #967441
#981948
Cross-References: CVE-2017-16837
Affected Products:
openSUSE Leap 42.3
openSUSE Leap 42.2
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An update that solves one vulnerability and has 5 fixes is
now available.

Description:

This update for tboot fixes the following issues:

Security issues fixed:

– CVE-2017-16837: Fix tbootfailed to validate a number of immutable
function pointers, which could allow an attacker to bypass the chain of
trust and execute arbitrary code (boo#1068390).
– Make tboot package compatible with OpenSSL 1.1.0 for SLE-15 support
(boo#1067229).

Bug fixes:

– Update to new upstream version. See release notes for details (1.9.6;
1.9.5, FATE#321510; 1.9.4, FATE#320665; 1.8.3, FATE#318542):
* https://sourceforge.net/p/tboot/code/ci/default/tree/CHANGELOG
– Fix some gcc7 warnings that lead to errors. (boo#1041264)
– Fix wrong pvops kernel config matching (boo#981948)
– Fix a excessive stack usage pattern that could lead to resets/crashes
(boo#967441)
– fixes a boot issue on Skylake (boo#964408)
– Trim filler words from description; use modern macros over shell vars.
– Add reproducible.patch to call gzip -n to make build fully reproducible.

Patch Instructions:

To install this openSUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product:

– openSUSE Leap 42.3:

zypper in -t patch openSUSE-2017-1308=1

– openSUSE Leap 42.2:

zypper in -t patch openSUSE-2017-1308=1

To bring your system up-to-date, use “zypper patch”.

Package List:

– openSUSE Leap 42.3 (i586 x86_64):

tboot-20170711_1.9.6-7.1
tboot-debuginfo-20170711_1.9.6-7.1
tboot-debugsource-20170711_1.9.6-7.1

– openSUSE Leap 42.2 (i586 x86_64):

tboot-20170711_1.9.6-4.3.1
tboot-debuginfo-20170711_1.9.6-4.3.1
tboot-debugsource-20170711_1.9.6-4.3.1

References:

https://www.suse.com/security/cve/CVE-2017-16837.html
https://bugzilla.suse.com/1041264
https://bugzilla.suse.com/1067229
https://bugzilla.suse.com/1068390
https://bugzilla.suse.com/964408
https://bugzilla.suse.com/967441
https://bugzilla.suse.com/981948

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