CVE-2015-5157

highpriority · track · 29EPSS 0.006 · 50 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.62% (50th) EPSS

CVSS 7.2 · high

Is it mine?

27 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · redhat_csaf

EPSS · scored 2026-10-27

arch/x86/entry/entry_64.S in the Linux kernel before 4.1.6 on the x86_64 platform mishandles IRET faults in processing NMIs that occurred during userspace execution, which might allow local users to gain privileges by triggering an NMI.

remediations

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

A vendor fix is available.

Fixedkernel-rt-1:3.10.0-327.rt56.171.el6rt.src as a component of Red Hat MRG Realtime for RHEL 6 Server v.2redhat_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-2016:0224
Fixedkernel-rt-1:3.10.0-327.rt56.171.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2redhat_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-2016:0224
Fixedkernel-rt-debug-1:3.10.0-327.rt56.171.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2redhat_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-2016:0224
Fixedkernel-rt-debug-debuginfo-1:3.10.0-327.rt56.171.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2redhat_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-2016:0224
Fixedkernel-rt-debug-devel-1:3.10.0-327.rt56.171.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2redhat_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-2016:0224
Fixedkernel-rt-debuginfo-1:3.10.0-327.rt56.171.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2redhat_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-2016:0224
Fixedkernel-rt-debuginfo-common-x86_64-1:3.10.0-327.rt56.171.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2redhat_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-2016:0224
Fixedkernel-rt-devel-1:3.10.0-327.rt56.171.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2redhat_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-2016:0224
Fixedkernel-rt-doc-1:3.10.0-327.rt56.171.el6rt.noarch as a component of Red Hat MRG Realtime for RHEL 6 Server v.2redhat_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-2016:0224
Fixedkernel-rt-firmware-1:3.10.0-327.rt56.171.el6rt.noarch as a component of Red Hat MRG Realtime for RHEL 6 Server v.2redhat_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-2016:0224
Fixedkernel-rt-trace-1:3.10.0-327.rt56.171.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2redhat_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-2016:0224
Fixedkernel-rt-trace-debuginfo-1:3.10.0-327.rt56.171.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2redhat_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-2016:0224
Fixedkernel-rt-trace-devel-1:3.10.0-327.rt56.171.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2redhat_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-2016:0224
Fixedkernel-rt-vanilla-1:3.10.0-327.rt56.171.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2redhat_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-2016:0224
Fixedkernel-rt-vanilla-debuginfo-1:3.10.0-327.rt56.171.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2redhat_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-2016:0224
Fixedkernel-rt-vanilla-devel-1:3.10.0-327.rt56.171.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2redhat_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-2016:0224

cvss

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

7.2

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.1–7.2

v2.07.2highAV:L/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 10

v2.06.1mediumAV:L/AC:L/Au:N/C:C/I:C/A:C/E:Usecondary · CVSS-BT (t0sche)

v2.06.2mediumAV:L/AC:H/Au:N/C:C/I:C/A:Csecondary · Red Hat Product Security US

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-264USprimaryCWE-435US

affected products (27)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
linux linux kernel< 3.12.47nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux kernel3.13 → 3.14.54nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux kernel3.15 → 3.16.35nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux kernel3.17 → 3.18.22nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux kernel3.19 → 4.1.6nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
redhat enterprise linux desktop= 6.0nvdUScpe:2.3:o:redhat:enterprise_linux_desktop:*:*:*:*:*:*:*:*
redhat enterprise linux hpc node= 6.0nvdUScpe:2.3:o:redhat:enterprise_linux_hpc_node:*:*:*:*:*:*:*:*
redhat enterprise linux server= 6.0nvdUScpe:2.3:o:redhat:enterprise_linux_server:*:*:*:*:*:*:*:*
redhat enterprise linux server eus= 6.7.znvdUScpe:2.3:o:redhat:enterprise_linux_server_eus:*:*:*:*:*:*:*:*
redhat enterprise linux workstation= 6.0nvdUScpe:2.3:o:redhat:enterprise_linux_workstation:*:*:*:*:*:*:*:*
kernel-rt-1:3.10.0-327.rt56.171.el6rt.src as a component of Red Hat MRG Realtime for RHEL 6 Server v.2all versionsfixedredhat_csafUS
kernel-rt-1:3.10.0-327.rt56.171.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2all versionsfixedredhat_csafUS
kernel-rt-debug-1:3.10.0-327.rt56.171.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2all versionsfixedredhat_csafUS
kernel-rt-debug-debuginfo-1:3.10.0-327.rt56.171.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2all versionsfixedredhat_csafUS
kernel-rt-debug-devel-1:3.10.0-327.rt56.171.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2all versionsfixedredhat_csafUS
kernel-rt-debuginfo-1:3.10.0-327.rt56.171.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2all versionsfixedredhat_csafUS
kernel-rt-debuginfo-common-x86_64-1:3.10.0-327.rt56.171.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2all versionsfixedredhat_csafUS
kernel-rt-devel-1:3.10.0-327.rt56.171.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2all versionsfixedredhat_csafUS
kernel-rt-doc-1:3.10.0-327.rt56.171.el6rt.noarch as a component of Red Hat MRG Realtime for RHEL 6 Server v.2all versionsfixedredhat_csafUS

showing 20 of 27

advisories (1)

Vendor and ecosystem advisories describing this.

RHSA-2016:0224Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update2016-02-16csaf · redhat_csafUS
Updated kernel-rt packages that fix two security issues, several bugs, and add various enhancements are now available for Red Hat Enterprise MRG 2.5. 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 2015-08-31modified 2026-06-17

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+8950 more

references (73)

External citations — patches, advisories, analysis.

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