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Fencer Intel
medium 5.5

CVE-2014-3690 json

arch/x86/kvm/vmx.c in the KVM subsystem in the Linux kernel before 3.17.2 on Intel processors does not ensure that the value in the CR4 con…

published 2014-11-10 11 y ago modified 2026-06-17 4 mo ago also EUVD-2014-3636

cvss
5.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 44%
public exploits
0
none known

Summary

arch/x86/kvm/vmx.c in the KVM subsystem in the Linux kernel before 3.17.2 on Intel processors does not ensure that the value in the CR4 control register remains the same after a VM entry, which allows host OS users to kill arbitrary processes or cause a denial of service (system disruption) by leveraging /dev/kvm access, as demonstrated by PR_SET_TSC prctl calls within a modified copy of QEMU.

Patch / fix

  • linux linux_kernel 3.17.2
  • linux Debian 14, Debian 13, Debian 12 3.16.7-1

debian advisories DEBIAN-CVE-2014-3690

  • linux Ubuntu 14.04 LTS 3.13.0-40.69

ubuntu advisories UBUNTU-CVE-2014-3690

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 2.6.32-504.16.2.el6
  • perf RHEL 6 2.6.32-504.16.2.el6
  • python-perf RHEL 6 2.6.32-504.16.2.el6
  • kernel-kdump RHEL 6 2.6.32-504.16.2.el6
  • kernel-firmware RHEL 6 2.6.32-504.16.2.el6
  • kernel-bootwrapper RHEL 6 2.6.32-504.16.2.el6
  • kernel-abi-whitelists RHEL 6 2.6.32-504.16.2.el6
  • kernel-debuginfo-common-i686 RHEL 6 2.6.32-504.16.2.el6

red hat advisories RHSA-2015:0864RHSA-2015:0782RHSA-2015:0290

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-2014-3690 updated cvss 4.7

kernel: kvm: vmx: invalid host cr4 handling across vm entries

  • Red Hat Enterprise Linux 5 kvm
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux Client (v. 7) perf 3.10.0-229.el7, kernel 3.10.0-229.el7, kernel-tools 3.10.0-229.el7, kernel-tools-libs 3.10.0-229.el7, kernel-abi-whitelists 3.10.0-229.el7, kernel-debuginfo-common-x86_64 3.10.0-229.el7 Red Hat Enterprise Linux Client Optional (v. 7) python-perf 3.10.0-229.el7, kernel-debuginfo-common-x86_64 3.10.0-229.el7
    fixed: vendor fix RHSA-2015:0290
  • Red Hat Enterprise Linux Compute Node Optional EUS (v. 6.5) kernel 2.6.32-431.53.2.el6, python-perf 2.6.32-431.53.2.el6, kernel-debuginfo-common-x86_64 2.6.32-431.53.2.el6
    fixed: vendor fix RHSA-2015:0782
  • Red Hat Enterprise Linux ComputeNode (v. 7) perf 3.10.0-229.el7, kernel 3.10.0-229.el7, kernel-tools 3.10.0-229.el7, kernel-tools-libs 3.10.0-229.el7, kernel-abi-whitelists 3.10.0-229.el7, kernel-debuginfo-common-x86_64 3.10.0-229.el7 Red Hat Enterprise Linux ComputeNode Optional (v. 7) python-perf 3.10.0-229.el7, kernel-debuginfo-common-x86_64 3.10.0-229.el7
    fixed: vendor fix RHSA-2015:0290
  • Red Hat Enterprise Linux Desktop (v. 6) perf 2.6.32-504.16.2.el6, kernel 2.6.32-504.16.2.el6, kernel-firmware 2.6.32-504.16.2.el6, kernel-abi-whitelists 2.6.32-504.16.2.el6, kernel-debuginfo-common-i686 2.6.32-504.16.2.el6, kernel-debuginfo-common-x86_64 2.6.32-504.16.2.el6 Red Hat Enterprise Linux Desktop Optional (v. 6) python-perf 2.6.32-504.16.2.el6, kernel-debuginfo-common-i686 2.6.32-504.16.2.el6, kernel-debuginfo-common-x86_64 2.6.32-504.16.2.el6 Red Hat Enterprise Linux HPC Node (v. 6) perf 2.6.32-504.16.2.el6, kernel 2.6.32-504.16.2.el6, kernel-firmware 2.6.32-504.16.2.el6, kernel-abi-whitelists 2.6.32-504.16.2.el6, kernel-debuginfo-common-x86_64 2.6.32-504.16.2.el6
    fixed: vendor fix RHSA-2015:0864
  • Red Hat Enterprise Linux HPC Node EUS (v. 6.5) perf 2.6.32-431.53.2.el6, kernel 2.6.32-431.53.2.el6, kernel-firmware 2.6.32-431.53.2.el6, kernel-abi-whitelists 2.6.32-431.53.2.el6, kernel-debuginfo-common-x86_64 2.6.32-431.53.2.el6
    fixed: vendor fix RHSA-2015:0782
  • Red Hat Enterprise Linux HPC Node Optional (v. 6) python-perf 2.6.32-504.16.2.el6, kernel-debuginfo-common-x86_64 2.6.32-504.16.2.el6 Red Hat Enterprise Linux Server (v. 6) perf 2.6.32-504.16.2.el6, kernel 2.6.32-504.16.2.el6, kernel-kdump 2.6.32-504.16.2.el6, kernel-firmware 2.6.32-504.16.2.el6, kernel-bootwrapper 2.6.32-504.16.2.el6, kernel-abi-whitelists 2.6.32-504.16.2.el6, +4 more
    fixed: vendor fix RHSA-2015:0864
  • Red Hat Enterprise Linux Server (v. 7) perf 3.10.0-229.el7, kernel 3.10.0-229.el7, kernel-kdump 3.10.0-229.el7, kernel-tools 3.10.0-229.el7, kernel-tools-libs 3.10.0-229.el7, kernel-bootwrapper 3.10.0-229.el7, +4 more
    fixed: vendor fix RHSA-2015:0290
show 9 more
  • Red Hat Enterprise Linux Server EUS (v. 6.5) perf 2.6.32-431.53.2.el6, kernel 2.6.32-431.53.2.el6, kernel-kdump 2.6.32-431.53.2.el6, kernel-firmware 2.6.32-431.53.2.el6, kernel-bootwrapper 2.6.32-431.53.2.el6, kernel-abi-whitelists 2.6.32-431.53.2.el6, +4 more
    fixed: vendor fix RHSA-2015:0782
  • Red Hat Enterprise Linux Server Optional (v. 6) python-perf 2.6.32-504.16.2.el6, kernel-debuginfo-common-i686 2.6.32-504.16.2.el6, kernel-debuginfo-common-ppc64 2.6.32-504.16.2.el6, kernel-debuginfo-common-s390x 2.6.32-504.16.2.el6, kernel-debuginfo-common-x86_64 2.6.32-504.16.2.el6
    fixed: vendor fix RHSA-2015:0864
  • Red Hat Enterprise Linux Server Optional (v. 7) python-perf 3.10.0-229.el7, kernel-debuginfo-common-ppc64 3.10.0-229.el7, kernel-debuginfo-common-s390x 3.10.0-229.el7, kernel-debuginfo-common-x86_64 3.10.0-229.el7
    fixed: vendor fix RHSA-2015:0290
  • Red Hat Enterprise Linux Server Optional EUS (v. 6.5) kernel 2.6.32-431.53.2.el6, python-perf 2.6.32-431.53.2.el6, kernel-debuginfo-common-i686 2.6.32-431.53.2.el6, kernel-debuginfo-common-ppc64 2.6.32-431.53.2.el6, kernel-debuginfo-common-s390x 2.6.32-431.53.2.el6, kernel-debuginfo-common-x86_64 2.6.32-431.53.2.el6
    fixed: vendor fix RHSA-2015:0782
  • Red Hat Enterprise Linux Workstation (v. 6) perf 2.6.32-504.16.2.el6, kernel 2.6.32-504.16.2.el6, kernel-firmware 2.6.32-504.16.2.el6, kernel-abi-whitelists 2.6.32-504.16.2.el6, kernel-debuginfo-common-i686 2.6.32-504.16.2.el6, kernel-debuginfo-common-x86_64 2.6.32-504.16.2.el6
    fixed: vendor fix RHSA-2015:0864
  • Red Hat Enterprise Linux Workstation (v. 7) perf 3.10.0-229.el7, kernel 3.10.0-229.el7, kernel-tools 3.10.0-229.el7, kernel-tools-libs 3.10.0-229.el7, kernel-abi-whitelists 3.10.0-229.el7, kernel-debuginfo-common-x86_64 3.10.0-229.el7
    fixed: vendor fix RHSA-2015:0290
  • Red Hat Enterprise Linux Workstation Optional (v. 6) python-perf 2.6.32-504.16.2.el6, kernel-debuginfo-common-i686 2.6.32-504.16.2.el6, kernel-debuginfo-common-x86_64 2.6.32-504.16.2.el6
    fixed: vendor fix RHSA-2015:0864
  • Red Hat Enterprise Linux Workstation Optional (v. 7) python-perf 3.10.0-229.el7, kernel-debuginfo-common-x86_64 3.10.0-229.el7
    fixed: vendor fix RHSA-2015:0290
  • Red Hat Enterprise MRG 2 kernel-rt, mrg-rt-release, kernel-rt-trace, kernel-rt-vanilla, kernel-rt-firmware
    not affected: vulnerable code not present

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

0.52% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 4.9 AV:L/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption
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.