CVE-2014-5118

A Security Bypass Vulnerability exists in TBOOT before 1.8.2 in the boot loader module when...

5.5 MediumFix available

Trusted Boot (tboot) before 1.8.2 has a 'loader.c' Security Bypass Vulnerability

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: None
Integrity: High
Availability: None

Exploit likelihood

0.39%Down 0.6 points since Feb 4, 2022

What each source reports

NVD Score used 5.5

Trusted Boot (tboot) before 1.8.2 has a 'loader.c' Security Bypass Vulnerability

Record: CVE-2014-5118
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CVSS 2.0: 2.1 LowAV:L/AC:L/Au:N/C:N/I:P/A:N
Weakness: CWE-20
Updated: 2026-11-02

CVE List No score

Trusted Boot (tboot) before 1.8.2 has a 'loader.c' Security Bypass Vulnerability

Record: CVE-2014-5118
Updated: 2026-11-02

EUVDEUVD-2014-5016 No score

Trusted Boot (tboot) before 1.8.2 has a 'loader.c' Security Bypass Vulnerability

Record: EUVD-2014-5016
Updated: 2026-11-03

GitHub AdvisoriesGHSA-fcqp-4gp4-9mfg No score

A Security Bypass Vulnerability exists in TBOOT before 1.8.2 in the boot loader module when...

A Security Bypass Vulnerability exists in TBOOT before 1.8.2 in the boot loader module when measuring commandline parameters.

Record: GHSA-fcqp-4gp4-9mfg
Updated: 2026-11-02

OSVSUSE-SU-2017:3114-1 No score

Recommended update for tboot

This update for tboot provides the following fix:

Security issue fixed:

CVE-2014-5118: tboot: bypass of measured boot (bsc#889339)

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-2017:3114-1
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`tboot` Red Hat:enterprise_linux:7::client	before 1:1.8.2-1.el7	1:1.8.2-1.el7
`tboot-debuginfo` Red Hat:enterprise_linux:7::client	before 1:1.8.2-1.el7	1:1.8.2-1.el7
`tboot` Red Hat:enterprise_linux:7::computenode	before 1:1.8.2-1.el7	1:1.8.2-1.el7
`tboot-debuginfo` Red Hat:enterprise_linux:7::computenode	before 1:1.8.2-1.el7	1:1.8.2-1.el7
`tboot` Red Hat:enterprise_linux:7::server	before 1:1.8.2-1.el7	1:1.8.2-1.el7
`tboot-debuginfo` Red Hat:enterprise_linux:7::server	before 1:1.8.2-1.el7	1:1.8.2-1.el7
`tboot` Red Hat:enterprise_linux:7::workstation	before 1:1.8.2-1.el7	1:1.8.2-1.el7
`tboot-debuginfo` Red Hat:enterprise_linux:7::workstation	before 1:1.8.2-1.el7	1:1.8.2-1.el7
`tboot` SUSE:Linux Enterprise Server 11 SP4	before 20120115_1.7.0-0.5.5.1	20120115_1.7.0-0.5.5.1
`tboot` SUSE:Linux Enterprise Server for SAP Applications 11 SP4	before 20120115_1.7.0-0.5.5.1	20120115_1.7.0-0.5.5.1

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2014-5118 is a medium vulnerability (CVSS 5.5) in Trusted Boot Project Boot, published November 29, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.39%, the 32nd percentile. Fixed in tboot 1:1.8.2-1.el7.

References

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