CVE-2017-16837
Certain function pointers in Trusted Boot (tboot) through 1.9.6 are not validated and can cause...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2017-16837- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2017-16837- Updated
- 2026-11-02
EUVDEUVD-2017-8011 No score
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.
- Record
EUVD-2017-8011- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-86m6-cj8w-2c48
Certain function pointers in Trusted Boot (tboot) through 1.9.6 are not validated and can cause...
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.
- Record
GHSA-86m6-cj8w-2c48- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2017-16837
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.
- Record
UBUNTU-CVE-2017-16837- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVopenSUSE-SU-2024:11424-1 No score
tboot-20210614_1.10.2-2.2 on GA media
These are all security issues fixed in the tboot-20210614_1.10.2-2.2 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:11424-1- Updated
- 2026-11-02
OSVSUSE-SU-2017:3090-1 No score
Recommended update for tboot
This update for tboot fixes the following issues:
Security issue fixed:
- CVE-2017-16837: Certain function pointers in Trusted Boot (tboot) through 1.9.6 are notvalidated and can cause arbitrary code execution, which allows local users tooverwrite dynamic PCRs of Trusted Platform Module (TPM) by h (bsc#1068390)
Bug fixes:
- Fixed failed trusted boot on some systems like Intel Xeon 'Purley 8s' processors. The following error message showed: 'TBOOT: wait-for-sipi loop timed-out'. Booting continued but 'TXT measured launch' was wrongly reported as FALSE. (bsc#1057555)
- Record
SUSE-SU-2017:3090-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
tbootSUSE:Linux Enterprise Server 12 SP2 |
before 20160518_1.9.4-7.5.1 | 20160518_1.9.4-7.5.1 |
tbootSUSE:Linux Enterprise Server for SAP Applications 12 SP2 |
before 20160518_1.9.4-7.5.1 | 20160518_1.9.4-7.5.1 |
tbootSUSE:Linux Enterprise Server 12 SP3 |
before 20160518_1.9.4-7.5.1 | 20160518_1.9.4-7.5.1 |
tbootSUSE:Linux Enterprise Server for SAP Applications 12 SP3 |
before 20160518_1.9.4-7.5.1 | 20160518_1.9.4-7.5.1 |
tbootUbuntu:16.04:LTS |
All versions, plus listed versions 1.8.3-0ubuntu1 |
None known |
tbootUbuntu:18.04:LTS |
All versions, plus listed versions 1.9.6-0ubuntu1 |
None known |
tbootUbuntu:20.04:LTS |
before 1.9.7-0ubuntu1 | 1.9.7-0ubuntu1 |
tbootopenSUSE:Tumbleweed |
before 20210614_1.10.2-2.2 | 20210614_1.10.2-2.2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-16837 is a high vulnerability (CVSS 7.8) in Trusted Boot Project Boot, published November 16, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.41%, the 35th percentile. Fixed in tboot 20160518_1.9.4-7.5.1.