The paravirt_ops_setup function in arch/x86/kernel/kvm.c in the Linux kernel through 3.18…
Priority LOW 17Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
The paravirt_ops_setup function in arch/x86/kernel/kvm.c in the Linux kernel through 3.18 uses an improper paravirt_enabled setting for KVM guest kernels, which makes it easier for guest OS users to bypass the ASLR protection mechanism via a crafted application that reads a 16-bit value.
Why it matters now
EPSS 0.00703 53rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 1 advisory
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 · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | up to 3.18 | Vulnerable | Linux |
| cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* | 12.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* | 14.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* | 16.04 | Vulnerable | Canonical |
| cpe:2.3:o:opensuse:evergreen:11.4:*:*:*:*:*:*:* | 11.4 | Vulnerable | openSUSE |
| cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* | 13.1 | Vulnerable | openSUSE |
| cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp2:*:*:ltss:*:*:* | 11 sp2 | Vulnerable | SUSE |
| cpe:2.3:o:oracle:linux:6:-:*:*:*:*:*:* | 6 | Vulnerable | Oracle |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions up to 3.18 Vulnerable ·Linux
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* Versions 12.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* Versions 14.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
- cpe:2.3:o:opensuse:evergreen:11.4:*:*:*:*:*:*:* Versions 11.4 Vulnerable ·openSUSE
- cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* Versions 13.1 Vulnerable ·openSUSE
- cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp2:*:*:ltss:*:*:* Versions 11 sp2 Vulnerable ·SUSE
- cpe:2.3:o:oracle:linux:6:-:*:*:*:*:*:* Versions 6 Vulnerable ·Oracle
Remediation
Red Hat 1 advisory
- RHSA-2016:0855 Released 2016-05-10 · Red Hat rating Moderatekernel security, bug fix, and enhancement update
- Red Hat Enterprise Linux Desktop (v. 6) kernel-2.6.32-642.el6, kernel-abi-whitelists-2.6.32-642.el6, kernel-debug-2.6.32-642.el6 +6
- Red Hat Enterprise Linux Desktop Optional (v. 6) python-perf-2.6.32-642.el6
- Red Hat Enterprise Linux HPC Node (v. 6) kernel-2.6.32-642.el6, kernel-abi-whitelists-2.6.32-642.el6, kernel-debug-2.6.32-642.el6 +6
- Red Hat Enterprise Linux HPC Node Optional (v. 6) python-perf-2.6.32-642.el6
- Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-642.el6, kernel-abi-whitelists-2.6.32-642.el6, kernel-bootwrapper-2.6.32-642.el6 +9
- Red Hat Enterprise Linux Server Optional (v. 6) python-perf-2.6.32-642.el6
- Red Hat Enterprise Linux Workstation (v. 6) kernel-2.6.32-642.el6, kernel-abi-whitelists-2.6.32-642.el6, kernel-debug-2.6.32-642.el6 +6
- Red Hat Enterprise Linux Workstation Optional (v. 6) python-perf-2.6.32-642.el6
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2016:0855 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2016:0855 |
| Red Hat Enterprise Linux HPC Node (v. 6) | Fixed | RHSA-2016:0855 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2016:0855 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2016:0855 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2016:0855 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2016:0855 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2016:0855 |
Not affected: 3 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 7
- Red Hat Enterprise MRG 2
Timeline
- 2026-10-02 Threatist record created from CVE-2014-8134
- 2026-10-03 Alias added: GHSA-m3qc-7rv2-p8pm
References
Exploit 1
Patch 2
Advisory 8
Sources
- CVE-2014-8134 · CVE Program
- CVE-2014-8134 · NVD
- FIRST EPSS
- GHSA-m3qc-7rv2-p8pm · GitHub Advisory Database · CC BY 4.0
- CVE-2014-8134 · 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