Medium severity5.5NVD Advisory· Published Sep 19, 2017· Updated Jun 17, 2026
CVE-2015-7837
CVE-2015-7837
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
12cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*+ 2 more
- 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:*:*:*:*:*:*:*+ 1 more
- 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:*:*:*:*:*:*:*
- Range: 7
Patches
Vulnerability mechanics
References
6- rhn.redhat.com/errata/RHSA-2015-2152.htmlnvdVendor Advisory
- rhn.redhat.com/errata/RHSA-2015-2411.htmlnvdVendor Advisory
- www.openwall.com/lists/oss-security/2015/10/15/6nvdMailing ListThird Party Advisory
- www.securityfocus.com/bid/77097nvdThird Party AdvisoryVDB Entry
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingVendor Advisory
- github.com/mjg59/linux/commit/4b2b64d5a6ebc84214755ebccd599baef7c1b798nvdIssue TrackingThird Party Advisory
News mentions
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