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Fencer Intel
high 7.2

CVE-2015-5157 json

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 d…

published 11y ago modified 4mo ago also EUVD-2015-5168

cvss
7.2
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits
0
none known

Summary

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.

Patch / fix

  • linux linux_kernel 3.12.47, 3.14.54, 3.16.35, 3.18.22, 4.1.6
  • linux Debian 14, Debian 13, Debian 12 4.0.8-2

debian advisories DEBIAN-CVE-2015-5157

  • linux Ubuntu 14.04 LTS 3.13.0-59.98
  • linux-lts-vivid Ubuntu 14.04 LTS 3.19.0-25.26~14.04.1
  • linux-lts-utopic Ubuntu 14.04 LTS 3.16.0-45.60~14.04.1

ubuntu advisories UBUNTU-CVE-2015-5157

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • kernel RHEL 6 2.6.32-573.26.1.el6
  • perf RHEL 6 2.6.32-573.26.1.el6
  • python-perf RHEL 6 2.6.32-573.26.1.el6
  • kernel-kdump RHEL 6 2.6.32-573.26.1.el6
  • kernel-firmware RHEL 6 2.6.32-573.26.1.el6
  • kernel-bootwrapper RHEL 6 2.6.32-573.26.1.el6
  • kernel-abi-whitelists RHEL 6 2.6.32-573.26.1.el6
  • kernel-debuginfo-common-i686 RHEL 6 2.6.32-573.26.1.el6

red hat advisories RHSA-2016:0715RHSA-2016:0224RHSA-2016:0212RHSA-2016:0185

  • kernel-rt SLE Real Time 11 SP3 3.0.101.rt130-0.33.44.2
  • kernel-syms-rt SLE Real Time 11 SP3 3.0.101.rt130-0.33.44.1
  • kernel-rt_trace SLE Real Time 11 SP3 3.0.101.rt130-0.33.44.2
  • kernel-source-rt SLE Real Time 11 SP3 3.0.101.rt130-0.33.44.2
  • kernel-rt SLE Real Time 11 SP4 3.0.101.rt130-48.1
  • kernel-syms-rt SLE Real Time 11 SP4 3.0.101.rt130-48.1
  • kernel-rt_trace SLE Real Time 11 SP4 3.0.101.rt130-48.1
  • kernel-source-rt SLE Real Time 11 SP4 3.0.101.rt130-48.1

suse advisories SUSE-SU-2016:0354-1SUSE-SU-2015:2350-1SUSE-SU-2015:2339-1SUSE-SU-2015:2108-1SUSE-SU-2015:1727-1

  • kernel CBL-Mariner 2.0 5.15.153.1-1
  • kernel Azure Linux 3.0 6.6.22.1-2

azure linux advisories AZL-34324AZL-34850

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2015-5157 updated cvss 6.2

kernel: x86-64: IRET faults during NMIs processing

  • Red Hat Enterprise Linux 5 kernel
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux Client (v. 7) perf 3.10.0-327.10.1.el7, kernel 3.10.0-327.10.1.el7, python-perf 3.10.0-327.10.1.el7, kernel-tools 3.10.0-327.10.1.el7, kernel-tools-libs 3.10.0-327.10.1.el7, kernel-abi-whitelists 3.10.0-327.10.1.el7, +1 more Red Hat Enterprise Linux Client Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-327.10.1.el7 Red Hat Enterprise Linux ComputeNode (v. 7) perf 3.10.0-327.10.1.el7, kernel 3.10.0-327.10.1.el7, python-perf 3.10.0-327.10.1.el7, kernel-tools 3.10.0-327.10.1.el7, kernel-tools-libs 3.10.0-327.10.1.el7, kernel-abi-whitelists 3.10.0-327.10.1.el7, +1 more Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-327.10.1.el7
    fixed: vendor fix RHSA-2016:0185
  • Red Hat Enterprise Linux Desktop (v. 6) perf 2.6.32-573.26.1.el6, kernel 2.6.32-573.26.1.el6, kernel-firmware 2.6.32-573.26.1.el6, kernel-abi-whitelists 2.6.32-573.26.1.el6, kernel-debuginfo-common-i686 2.6.32-573.26.1.el6, kernel-debuginfo-common-x86_64 2.6.32-573.26.1.el6 Red Hat Enterprise Linux Desktop Optional (v. 6) python-perf 2.6.32-573.26.1.el6, kernel-debuginfo-common-i686 2.6.32-573.26.1.el6, kernel-debuginfo-common-x86_64 2.6.32-573.26.1.el6
    fixed: vendor fix RHSA-2016:0715
  • Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt 3.10.0-327.10.1.rt56.211.el7_2, kernel-rt-kvm 3.10.0-327.10.1.rt56.211.el7_2, kernel-rt-trace 3.10.0-327.10.1.rt56.211.el7_2, kernel-rt-debug-kvm 3.10.0-327.10.1.rt56.211.el7_2, kernel-rt-trace-kvm 3.10.0-327.10.1.rt56.211.el7_2, kernel-rt-debuginfo-common-x86_64 3.10.0-327.10.1.rt56.211.el7_2
    fixed: vendor fix RHSA-2016:0212
  • Red Hat Enterprise Linux HPC Node (v. 6) perf 2.6.32-573.26.1.el6, kernel 2.6.32-573.26.1.el6, kernel-firmware 2.6.32-573.26.1.el6, kernel-abi-whitelists 2.6.32-573.26.1.el6, kernel-debuginfo-common-i686 2.6.32-573.26.1.el6, kernel-debuginfo-common-x86_64 2.6.32-573.26.1.el6 Red Hat Enterprise Linux HPC Node Optional (v. 6) python-perf 2.6.32-573.26.1.el6, kernel-debuginfo-common-x86_64 2.6.32-573.26.1.el6
    fixed: vendor fix RHSA-2016:0715
  • Red Hat Enterprise Linux Realtime (v. 7) kernel-rt 3.10.0-327.10.1.rt56.211.el7_2, kernel-rt-trace 3.10.0-327.10.1.rt56.211.el7_2, kernel-rt-debuginfo-common-x86_64 3.10.0-327.10.1.rt56.211.el7_2
    fixed: vendor fix RHSA-2016:0212
  • Red Hat Enterprise Linux Server (v. 6) perf 2.6.32-573.26.1.el6, kernel 2.6.32-573.26.1.el6, kernel-kdump 2.6.32-573.26.1.el6, kernel-firmware 2.6.32-573.26.1.el6, kernel-bootwrapper 2.6.32-573.26.1.el6, kernel-abi-whitelists 2.6.32-573.26.1.el6, +4 more
    fixed: vendor fix RHSA-2016:0715
  • Red Hat Enterprise Linux Server (v. 7) perf 3.10.0-327.10.1.el7, kernel 3.10.0-327.10.1.el7, python-perf 3.10.0-327.10.1.el7, kernel-kdump 3.10.0-327.10.1.el7, kernel-tools 3.10.0-327.10.1.el7, kernel-tools-libs 3.10.0-327.10.1.el7, +6 more
    fixed: vendor fix RHSA-2016:0185
show 7 more
  • Red Hat Enterprise Linux Server Optional (v. 6) python-perf 2.6.32-573.26.1.el6, kernel-debuginfo-common-i686 2.6.32-573.26.1.el6, kernel-debuginfo-common-ppc64 2.6.32-573.26.1.el6, kernel-debuginfo-common-s390x 2.6.32-573.26.1.el6, kernel-debuginfo-common-x86_64 2.6.32-573.26.1.el6
    fixed: vendor fix RHSA-2016:0715
  • Red Hat Enterprise Linux Server Optional (v. 7) kernel-debuginfo-common-ppc64 3.10.0-327.10.1.el7, kernel-debuginfo-common-x86_64 3.10.0-327.10.1.el7, kernel-debuginfo-common-ppc64le 3.10.0-327.10.1.el7
    fixed: vendor fix RHSA-2016:0185
  • Red Hat Enterprise Linux Workstation (v. 6) perf 2.6.32-573.26.1.el6, kernel 2.6.32-573.26.1.el6, kernel-firmware 2.6.32-573.26.1.el6, kernel-abi-whitelists 2.6.32-573.26.1.el6, kernel-debuginfo-common-i686 2.6.32-573.26.1.el6, kernel-debuginfo-common-x86_64 2.6.32-573.26.1.el6
    fixed: vendor fix RHSA-2016:0715
  • Red Hat Enterprise Linux Workstation (v. 7) perf 3.10.0-327.10.1.el7, kernel 3.10.0-327.10.1.el7, python-perf 3.10.0-327.10.1.el7, kernel-tools 3.10.0-327.10.1.el7, kernel-tools-libs 3.10.0-327.10.1.el7, kernel-abi-whitelists 3.10.0-327.10.1.el7, +1 more
    fixed: vendor fix RHSA-2016:0185
  • Red Hat Enterprise Linux Workstation Optional (v. 6) python-perf 2.6.32-573.26.1.el6, kernel-debuginfo-common-i686 2.6.32-573.26.1.el6, kernel-debuginfo-common-x86_64 2.6.32-573.26.1.el6
    fixed: vendor fix RHSA-2016:0715
  • Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-327.10.1.el7
    fixed: vendor fix RHSA-2016:0185
  • Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt 3.10.0-327.rt56.171.el6rt, kernel-rt-trace 3.10.0-327.rt56.171.el6rt, kernel-rt-vanilla 3.10.0-327.rt56.171.el6rt, kernel-rt-firmware 3.10.0-327.rt56.171.el6rt, kernel-rt-debuginfo-common-x86_64 3.10.0-327.rt56.171.el6rt
    fixed: vendor fix RHSA-2016:0224

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.62% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.