Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | <= 2.3.1 |
| Debian | Debian Linux | 7.0 |
| Fedoraproject | Fedora | 20 |
| Suse | Linux Enterprise Desktop | 11 |
| Suse | Linux Enterprise Server | 11 |
| Suse | Linux Enterprise Software Development Kit | 11 |
| Citrix | Xenserver | 6.0 |
| Canonical | Ubuntu Linux | 12.04 |
Related Weaknesses (CWE)
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160154.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160171.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160685.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00004.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00007.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00029.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00030.htmlMailing ListThird Party Advisory
- http://support.citrix.com/article/CTX201145Third Party Advisory
- http://www.debian.org/security/2015/dsa-3284Third Party Advisory
- http://www.debian.org/security/2015/dsa-3286Third Party Advisory
- http://www.securityfocus.com/bid/74949Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1032467Third Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-2630-1Third Party Advisory
- http://xenbits.xen.org/xsa/advisory-131.htmlThird Party Advisory
- https://security.gentoo.org/glsa/201604-03Third Party Advisory
FAQ
What is CVE-2015-4106?
CVE-2015-4106 is a vulnerability with a CVSS score of 4.6 (MEDIUM). 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 cr...
How severe is CVE-2015-4106?
CVE-2015-4106 has been rated MEDIUM with a CVSS base score of 4.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-4106?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Debian Debian Linux, Fedoraproject Fedora, Suse Linux Enterprise Desktop, Suse Linux Enterprise Server.