What is CVE-2014-3611?

CVE-2014-3611 is a medium-severity vulnerability in Linux Kernel, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 4.7/10. Published 2014-11-10.

How severe is CVE-2014-3611?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Is CVE-2014-3611 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Linux Kernel

CVE-2014-3611

Race condition in the __kvm_migrate_pit_timer function in arch/x86/kvm/i8254.c in the KVM subsystem in the Linux kernel through 3.17.2 allows guest OS users to cause a denial of service (host OS crash) by leveraging incorrect PIT emulation.

Vulnerability class: Race Condition

Published 2014-11-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.003 (19.9th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 19.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Linux Kernel
Canonical Ubuntu Linux — versions 10.04, 12.04
Debian Linux — versions 7.0
Red Hat Enterprise Linux — versions 5.0

Weakness classification (CWE)

CWE-362 — Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition)

Public proof-of-concept exploits

References

git.kernel.org/
www.ubuntu.com/usn/USN-2491-1 (vendor-advisory, Third Party Advisory)
www.ubuntu.com/usn/USN-2418-1 (vendor-advisory, Third Party Advisory)
www.ubuntu.com/usn/USN-2417-1 (vendor-advisory, Third Party Advisory)
www.debian.org/security/2014/dsa-3060 (vendor-advisory, Third Party Advisory)
bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
rhn.redhat.com/errata/RHSA-2015-0869.html (vendor-advisory, Third Party Advisory)
github.com/torvalds/linux/commit/2febc839133280d5a5e8e1179c94ea674489dae2 (Patch, Third Party Advisory)
www.ubuntu.com/usn/USN-2394-1 (vendor-advisory, Third Party Advisory)
rhn.redhat.com/errata/RHSA-2015-0284.html (vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2014-3611?: CVE-2014-3611 is a medium-severity vulnerability in Linux Kernel, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 4.7/10. Published 2014-11-10.
How severe is CVE-2014-3611?: Medium severity. CVSS v3 base score is 4.7 out of 10.
Is CVE-2014-3611 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.