Race condition in the __kvm_migrate_pit_timer function in arch/x86/kvm/i8254.c in the KVM…
Priority LOW 21CWE-362Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 23 fixed, 1 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
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.
Why it matters now
EPSS 0.00294 22nd percentileScored 2026-11-07
Fix Partial Red Hat: 5 advisoriesRed Hat: 23 fixed, 1 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | up to 3.17.2 | Vulnerable | Linux |
| cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Red Hat |
| cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:* | 10.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* | 12.04 | Vulnerable | Canonical |
| cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Debian |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions up to 3.17.2 Vulnerable ·Linux
- cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
- cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:* Versions 10.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* Versions 12.04 Vulnerable ·Canonical
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Debian
Remediation
Red Hat 5 advisories
- RHSA-2015:0869 Released 2015-04-22 · Red Hat rating Importantkvm security update
- Red Hat Enterprise Linux Desktop Multi OS (v. 5 client) kmod-kvm-83-270.el5_11, kmod-kvm-debug-83-270.el5_11, kvm-83-270.el5_11 +2
- Red Hat Enterprise Linux Virtualization (v. 5 server) kmod-kvm-83-270.el5_11, kmod-kvm-debug-83-270.el5_11, kvm-83-270.el5_11 +2
- RHSA-2015:0284 Released 2015-03-03 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Enterprise Linux Compute Node Optional EUS (v. 6.5) kernel-2.6.32-431.50.1.el6, python-perf-2.6.32-431.50.1.el6
- Red Hat Enterprise Linux HPC Node EUS (v. 6.5) kernel-2.6.32-431.50.1.el6, kernel-abi-whitelists-2.6.32-431.50.1.el6, kernel-debug-2.6.32-431.50.1.el6 +6
- Red Hat Enterprise Linux Server EUS (v. 6.5) kernel-2.6.32-431.50.1.el6, kernel-abi-whitelists-2.6.32-431.50.1.el6, kernel-bootwrapper-2.6.32-431.50.1.el6 +9
- Red Hat Enterprise Linux Server Optional EUS (v. 6.5) kernel-2.6.32-431.50.1.el6, python-perf-2.6.32-431.50.1.el6
- RHSA-2015:0126 Released 2015-02-04 · Red Hat rating Criticalrhev-hypervisor6 security update
- RHEV Hypervisor for RHEL-6 rhev-hypervisor6-6.6-20150123.1.el6ev
Show 2 more Red Hat advisories
- RHSA-2014:1843 Released 2014-11-11 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Enterprise Linux Desktop (v. 6) kernel-2.6.32-504.1.3.el6, kernel-abi-whitelists-2.6.32-504.1.3.el6, kernel-debug-2.6.32-504.1.3.el6 +6
- Red Hat Enterprise Linux Desktop Optional (v. 6) python-perf-2.6.32-504.1.3.el6
- Red Hat Enterprise Linux HPC Node (v. 6) kernel-2.6.32-504.1.3.el6, kernel-abi-whitelists-2.6.32-504.1.3.el6, kernel-debug-2.6.32-504.1.3.el6 +6
- Red Hat Enterprise Linux HPC Node Optional (v. 6) python-perf-2.6.32-504.1.3.el6
- Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-504.1.3.el6, kernel-abi-whitelists-2.6.32-504.1.3.el6, kernel-bootwrapper-2.6.32-504.1.3.el6 +9
- Red Hat Enterprise Linux Server Optional (v. 6) python-perf-2.6.32-504.1.3.el6
- Red Hat Enterprise Linux Workstation (v. 6) kernel-2.6.32-504.1.3.el6, kernel-abi-whitelists-2.6.32-504.1.3.el6, kernel-debug-2.6.32-504.1.3.el6 +6
- Red Hat Enterprise Linux Workstation Optional (v. 6) python-perf-2.6.32-504.1.3.el6
- RHSA-2014:1724 Released 2014-10-28 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Enterprise Linux Client (v. 7) kernel-3.10.0-123.9.2.el7, kernel-abi-whitelists-3.10.0-123.9.2.el7, kernel-debug-3.10.0-123.9.2.el7 +6
- Red Hat Enterprise Linux Client Optional (v. 7) kernel-doc-3.10.0-123.9.2.el7, kernel-tools-libs-devel-3.10.0-123.9.2.el7, python-perf-3.10.0-123.9.2.el7
- Red Hat Enterprise Linux ComputeNode (v. 7) kernel-3.10.0-123.9.2.el7, kernel-abi-whitelists-3.10.0-123.9.2.el7, kernel-debug-3.10.0-123.9.2.el7 +6
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-doc-3.10.0-123.9.2.el7, kernel-tools-libs-devel-3.10.0-123.9.2.el7, python-perf-3.10.0-123.9.2.el7
- Red Hat Enterprise Linux Server (v. 7) kernel-3.10.0-123.9.2.el7, kernel-abi-whitelists-3.10.0-123.9.2.el7, kernel-bootwrapper-3.10.0-123.9.2.el7 +9
- Red Hat Enterprise Linux Server Optional (v. 7) kernel-doc-3.10.0-123.9.2.el7, kernel-tools-libs-devel-3.10.0-123.9.2.el7, python-perf-3.10.0-123.9.2.el7
- Red Hat Enterprise Linux Workstation (v. 7) kernel-3.10.0-123.9.2.el7, kernel-abi-whitelists-3.10.0-123.9.2.el7, kernel-debug-3.10.0-123.9.2.el7 +6
- Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-doc-3.10.0-123.9.2.el7, kernel-tools-libs-devel-3.10.0-123.9.2.el7, python-perf-3.10.0-123.9.2.el7
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix yet |
| RHEV Hypervisor for RHEL-6 | Fixed | RHSA-2015:0126 |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2014:1724 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2014:1724 |
| Red Hat Enterprise Linux Compute Node Optional EUS (v. 6.5) | Fixed | RHSA-2015:0284 |
| Red Hat Enterprise Linux ComputeNode (v. 7) | Fixed | RHSA-2014:1724 |
| Red Hat Enterprise Linux ComputeNode Optional (v. 7) | Fixed | RHSA-2014:1724 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2014:1843 |
| Red Hat Enterprise Linux Desktop Multi OS (v. 5 client) | Fixed | RHSA-2015:0869 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2014:1843 |
| Red Hat Enterprise Linux HPC Node (v. 6) | Fixed | RHSA-2014:1843 |
| Red Hat Enterprise Linux HPC Node EUS (v. 6.5) | Fixed | RHSA-2015:0284 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2014:1843 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2014:1843 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2014:1724 |
| Red Hat Enterprise Linux Server EUS (v. 6.5) | Fixed | RHSA-2015:0284 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2014:1843 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2014:1724 |
| Red Hat Enterprise Linux Server Optional EUS (v. 6.5) | Fixed | RHSA-2015:0284 |
| Red Hat Enterprise Linux Virtualization (v. 5 server) | Fixed | RHSA-2015:0869 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2014:1843 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2014:1724 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2014:1843 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2014:1724 |
Timeline
- 2026-10-02 Threatist record created from CVE-2014-3611
- 2026-10-03 Alias added: GHSA-fjrx-4j65-6mrx
References
Patch 3
Advisory 8
Sources
- CVE-2014-3611 · CVE Program
- CVE-2014-3611 · NVD
- FIRST EPSS
- GHSA-fjrx-4j65-6mrx · GitHub Advisory Database · CC BY 4.0
- CVE-2014-3611 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences