Upstream information

CVE-2017-16837 at MITRE


Certain function pointers in Trusted Boot (tboot) through 1.9.6 are not validated and can cause arbitrary code execution, which allows local users to overwrite dynamic PCRs of Trusted Platform Module (TPM) by hooking these function pointers.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v2 Scores
  National Vulnerability Database SUSE
Base Score 4.6 6.9
Vector AV:L/AC:L/Au:N/C:P/I:P/A:P AV:L/AC:M/Au:N/C:C/I:C/A:C
Access Vector Local Local
Access Complexity Low Medium
Authentication None None
Confidentiality Impact Partial Complete
Integrity Impact Partial Complete
Availability Impact Partial Complete
CVSS v3 Scores
Base Score 7.4
Vector AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Access Vector Local
Access Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
SUSE Bugzilla entries: 1068390 [RESOLVED / FIXED], 889339 [IN_PROGRESS]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Linux Enterprise Server 12 SP2
  • tboot >= 20160518_1.9.4-7.5.1
SUSE Linux Enterprise Server 12 SP3
  • tboot >= 20160518_1.9.4-7.5.1
openSUSE Leap 42.2
  • 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
openSUSE Leap 42.3
  • tboot >= 20170711_1.9.6-7.1
  • tboot-debuginfo >= 20170711_1.9.6-7.1
  • tboot-debugsource >= 20170711_1.9.6-7.1

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.

Product(s) Source package State
SUSE Linux Enterprise Server 11 SP3 LTSS tboot Not affected
SUSE Linux Enterprise Server 11 SP4 tboot Not affected
SUSE Linux Enterprise Server 12 SP2 tboot Released
SUSE Linux Enterprise Server 12 SP3 tboot Released