CVEvulnerability
CVE-2015-7837
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2017-09-19
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 5.5 MEDIUM — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
- CVSS 2.0 ([email protected])
- 2.1 LOW — AV:L/AC:L/Au:N/C:N/I:P/A:N
- Weaknesses
- CWE-254
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.
Affected configurations
• redhat enterprise linux 7.0
• redhat enterprise linux 7.2
• redhat enterprise linux 7.3
• redhat enterprise linux desktop 7.0
• redhat enterprise linux server aus 7.3
• redhat enterprise linux server aus 7.4
• redhat enterprise linux workstation 7.0
• redhat enterprise mrg 2.0
• redhat kernel-rt 7.0
Related
Weakness · not in database (1)
References
- http://rhn.redhat.com/errata/RHSA-2015-2152.html Vendor Advisory
- http://rhn.redhat.com/errata/RHSA-2015-2411.html Vendor Advisory
- http://www.openwall.com/lists/oss-security/2015/10/15/6 Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/77097 Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1272472 Issue Tracking, Vendor Advisory
- https://github.com/mjg59/linux/commit/4b2b64d5a6ebc84214755ebccd599baef7c1b798 Issue Tracking, Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2015-2152.html Vendor Advisory
- http://rhn.redhat.com/errata/RHSA-2015-2411.html Vendor Advisory
- http://www.openwall.com/lists/oss-security/2015/10/15/6 Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/77097 Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1272472 Issue Tracking, Vendor Advisory
- https://github.com/mjg59/linux/commit/4b2b64d5a6ebc84214755ebccd599baef7c1b798 Issue Tracking, Third Party Advisory