QEMU does not properly restrict write access to the PCI config space for certain PCI…
Priority LOW 22CWE-863Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-863.
Summary
QEMU does not properly restrict write access to the PCI config space for certain PCI pass-through devices, which might allow local x86 HVM guests to gain privileges, cause a denial of service (host crash), obtain sensitive information, or possibly have other unspecified impact via unknown vectors.
Why it matters now
EPSS 0.00483 41st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
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 · 23
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* | up to 2.3.1 | Vulnerable | QEMU |
| cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Debian |
| cpe:2.3:o:fedoraproject:fedora:20:*:*:*:*:*:*:* | 20 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:* | 21 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:* | 22 | Vulnerable | Fedoraproject |
| cpe:2.3:o:suse:linux_enterprise_desktop:11:sp3:*:*:*:*:*:* | 11 sp3 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_desktop:12:-:*:*:*:*:*:* | 12 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_server:11:sp1:*:*:ltss:*:*:* | 11 sp1 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:ltss:*:*:* | 11 sp2 | Vulnerable | SUSE |
- cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* Versions up to 2.3.1 Vulnerable ·QEMU
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
- cpe:2.3:o:fedoraproject:fedora:20:*:*:*:*:*:*:* Versions 20 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:* Versions 21 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:* Versions 22 Vulnerable ·Fedoraproject
- cpe:2.3:o:suse:linux_enterprise_desktop:11:sp3:*:*:*:*:*:* Versions 11 sp3 Vulnerable ·SUSE
- cpe:2.3:o:suse:linux_enterprise_desktop:12:-:*:*:*:*:*:* Versions 12 Vulnerable ·SUSE
- cpe:2.3:o:suse:linux_enterprise_server:11:sp1:*:*:ltss:*:*:* Versions 11 sp1 Vulnerable ·SUSE
- cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:ltss:*:*:* Versions 11 sp2 Vulnerable ·SUSE
Show 13 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:*:-:*:* | 11 sp3 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_server:12:-:*:*:*:*:*:* | 12 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_software_development_kit:11:sp3:*:*:*:*:*:* | 11 sp3 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_software_development_kit:12:-:*:*:*:*:*:* | 12 | Vulnerable | SUSE |
| cpe:2.3:a:citrix:xenserver:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Citrix |
| cpe:2.3:a:citrix:xenserver:6.0.2:*:*:*:*:*:*:* | 6.0.2 | Vulnerable | Citrix |
| cpe:2.3:a:citrix:xenserver:6.1.0:*:*:*:*:*:*:* | 6.1.0 | Vulnerable | Citrix |
| cpe:2.3:a:citrix:xenserver:6.2.0:-:*:*:*:*:*:* | 6.2.0 | Vulnerable | Citrix |
| cpe:2.3:a:citrix:xenserver:6.5:-:*:*:*:*:*:* | 6.5 | Vulnerable | Citrix |
| 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:14.10:*:*:*:*:*:*:* | 14.10 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* | 15.04 | Vulnerable | Canonical |
- cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:*:-:*:* Versions 11 sp3 Vulnerable ·SUSE
- cpe:2.3:o:suse:linux_enterprise_server:12:-:*:*:*:*:*:* Versions 12 Vulnerable ·SUSE
- cpe:2.3:o:suse:linux_enterprise_software_development_kit:11:sp3:*:*:*:*:*:* Versions 11 sp3 Vulnerable ·SUSE
- cpe:2.3:o:suse:linux_enterprise_software_development_kit:12:-:*:*:*:*:*:* Versions 12 Vulnerable ·SUSE
- cpe:2.3:a:citrix:xenserver:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Citrix
- cpe:2.3:a:citrix:xenserver:6.0.2:*:*:*:*:*:*:* Versions 6.0.2 Vulnerable ·Citrix
- cpe:2.3:a:citrix:xenserver:6.1.0:*:*:*:*:*:*:* Versions 6.1.0 Vulnerable ·Citrix
- cpe:2.3:a:citrix:xenserver:6.2.0:-:*:*:*:*:*:* Versions 6.2.0 Vulnerable ·Citrix
- cpe:2.3:a:citrix:xenserver:6.5:-:*:*:*:*:*:* Versions 6.5 Vulnerable ·Citrix
- 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:14.10:*:*:*:*:*:*:* Versions 14.10 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* Versions 15.04 Vulnerable ·Canonical
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix yet |
Timeline
- 2026-10-02 Threatist record created from CVE-2015-4106
- 2026-10-03 Alias added: GHSA-53r2-p844-jg4x
References
Sources
- CVE-2015-4106 · CVE Program
- CVE-2015-4106 · NVD
- FIRST EPSS
- GHSA-53r2-p844-jg4x · GitHub Advisory Database · CC BY 4.0
- CVE-2015-4106 · 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