CVE-2015-7837

lowpriority · track · 22EPSS 0.004 · 35 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.40% (35th) EPSS

CVSS 2.1 · low

Is it mine?

22 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · redhat_csaf

EPSS · scored 2026-10-27

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

Fixedkernel-rt-0:3.10.0-327.rt56.204.el7.src as a component of Red Hat Enterprise Linux for Real Time (v. 7)redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2015:2411
Fixedkernel-rt-0:3.10.0-327.rt56.204.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time (v. 7)redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2015:2411
Fixedkernel-rt-debug-0:3.10.0-327.rt56.204.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time (v. 7)redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2015:2411
Fixedkernel-rt-debug-debuginfo-0:3.10.0-327.rt56.204.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time (v. 7)redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2015:2411
Fixedkernel-rt-debug-devel-0:3.10.0-327.rt56.204.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time (v. 7)redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2015:2411
Fixedkernel-rt-debuginfo-0:3.10.0-327.rt56.204.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time (v. 7)redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2015:2411
Fixedkernel-rt-debuginfo-common-x86_64-0:3.10.0-327.rt56.204.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time (v. 7)redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2015:2411
Fixedkernel-rt-devel-0:3.10.0-327.rt56.204.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time (v. 7)redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2015:2411
Fixedkernel-rt-doc-0:3.10.0-327.rt56.204.el7.noarch as a component of Red Hat Enterprise Linux for Real Time (v. 7)redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2015:2411
Fixedkernel-rt-trace-0:3.10.0-327.rt56.204.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time (v. 7)redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2015:2411
Fixedkernel-rt-trace-debuginfo-0:3.10.0-327.rt56.204.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time (v. 7)redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2015:2411
Fixedkernel-rt-trace-devel-0:3.10.0-327.rt56.204.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time (v. 7)redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2015:2411

cvss

Technical severity, 0–10. One row per scoring source.

5.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 1.9–5.5

v2.02.1lowAV:L/AC:L/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 2.9

v3.05.5mediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 1.8 · impact 3.6

v2.01.9lowAV:L/AC:M/Au:N/C:N/I:P/A:Nsecondary · Red Hat Product Security US

v3.05.1mediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-254USprimaryCWE-456US

affected products (22)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
redhat enterprise linux= 7.0nvdUScpe:2.3:o:redhat:enterprise_linux:*:*:*:*:*:*:*:*
redhat enterprise linux= 7.2nvdUScpe:2.3:o:redhat:enterprise_linux:*:*:*:*:*:*:*:*
redhat enterprise linux= 7.3nvdUScpe:2.3:o:redhat:enterprise_linux:*:*:*:*:*:*:*:*
redhat enterprise linux desktop= 7.0nvdUScpe:2.3:o:redhat:enterprise_linux_desktop:*:*:*:*:*:*:*:*
redhat enterprise linux server aus= 7.3nvdUScpe:2.3:o:redhat:enterprise_linux_server_aus:*:*:*:*:*:*:*:*
redhat enterprise linux server aus= 7.4nvdUScpe:2.3:o:redhat:enterprise_linux_server_aus:*:*:*:*:*:*:*:*
redhat enterprise linux workstation= 7.0nvdUScpe:2.3:o:redhat:enterprise_linux_workstation:*:*:*:*:*:*:*:*
redhat enterprise mrg= 2.0nvdUScpe:2.3:o:redhat:enterprise_mrg:*:*:*:*:*:*:*:*
redhat kernel-rt= 7.0nvdUScpe:2.3:o:redhat:kernel-rt:*:*:*:*:*:*:*:*
kernel-rt-0:3.10.0-327.rt56.204.el7.src as a component of Red Hat Enterprise Linux for Real Time (v. 7)all versionsfixedredhat_csafUS
kernel-rt-0:3.10.0-327.rt56.204.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time (v. 7)all versionsfixedredhat_csafUS
kernel-rt-debug-0:3.10.0-327.rt56.204.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time (v. 7)all versionsfixedredhat_csafUS
kernel-rt-debug-debuginfo-0:3.10.0-327.rt56.204.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time (v. 7)all versionsfixedredhat_csafUS
kernel-rt-debug-devel-0:3.10.0-327.rt56.204.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time (v. 7)all versionsfixedredhat_csafUS
kernel-rt-debuginfo-0:3.10.0-327.rt56.204.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time (v. 7)all versionsfixedredhat_csafUS
kernel-rt-debuginfo-common-x86_64-0:3.10.0-327.rt56.204.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time (v. 7)all versionsfixedredhat_csafUS
kernel-rt-devel-0:3.10.0-327.rt56.204.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time (v. 7)all versionsfixedredhat_csafUS
kernel-rt-doc-0:3.10.0-327.rt56.204.el7.noarch as a component of Red Hat Enterprise Linux for Real Time (v. 7)all versionsfixedredhat_csafUS
kernel-rt-trace-0:3.10.0-327.rt56.204.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time (v. 7)all versionsfixedredhat_csafUS

showing 20 of 22

advisories (1)

Vendor and ecosystem advisories describing this.

RHSA-2015:2411Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update2015-11-19csaf · redhat_csafUS
Updated kernel-rt packages that fix multiple security issues, several bugs, and add various enhancements are now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd redhat_csaf NVD CVE.org MITRE

published 2017-09-19modified 2026-06-17

related (800)

Related entries.

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+795 more

references (18)

External citations — patches, advisories, analysis.

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