CVE-2015-7837

At a glance

Severity: Not available
EPSS: EPSS 0.40 % · percentile 35 (2026-10-27)
State: PUBLISHED
Published: 2017-09-19
Updated: 2024-08-06
Assigner: mitre
NVD status: Modified

Description

The Linux kernel, as used in Red Hat Enterprise Linux 7, kernel-rt, and Enterprise MRG 2 and when booted with UEFI Secure Boot enabled, allows local users to bypass intended securelevel/secureboot restrictions by leveraging improper handling of secure_boot flag across kexec reboot.

Scores

Version	Score	Vector	Scored by
CVSS 3.0	MEDIUM 5.5	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N	NVD · nvd@nist.gov (Primary)
CVSS 2.0	LOW 2.1	AV:L/AC:L/Au:N/C:N/I:P/A:N	NVD · nvd@nist.gov (Primary)

Weaknesses (CWE)

CWE-254

European references

ENISA EUVD · EUVD-2015-7735
GCVE · GCVE-0-2015-7837

CERT-FR advisories

CERTFR-2026-AVI-0326 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
CERTFR-2026-AVI-0316 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
CERTFR-2017-AVI-275 — Multiples vulnérabilités dans le noyau Linux d' Ubuntu · cert.ssi.gouv.fr
CERTFR-2015-AVI-498 — Multiples vulnérabilités dans les noyaux Linux Red Hat · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.3:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:kernel-rt:7.0:*:*:*:*:*:*:*

Affected products

Product	Versions
	affected n/a

References

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD