CVE-2015-4106
UnknownEPSS 0.48%
Last modified
CVE-2015-4106 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.48% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Qemu | Qemu | <= 2.3.1 | — |
| Debian | Debian Linux | 7.0 | — |
| Debian | Debian Linux | 8.0 | — |
| Fedoraproject | Fedora | 20 | — |
| Fedoraproject | Fedora | 21 | — |
| Fedoraproject | Fedora | 22 | — |
| Suse | Linux Enterprise Desktop | 11 | Sp3 |
| Suse | Linux Enterprise Desktop | 12 | — |
| Suse | Linux Enterprise Server | 11 | Sp1 |
| Suse | Linux Enterprise Server | 12 | — |
| Suse | Linux Enterprise Software Development Kit | 11 | Sp3 |
| Suse | Linux Enterprise Software Development Kit | 12 | — |
| Citrix | Xenserver | 6.0 | — |
| Citrix | Xenserver | 6.0.2 | — |
| Citrix | Xenserver | 6.1.0 | — |
| Citrix | Xenserver | 6.2.0 | — |
| Citrix | Xenserver | 6.5 | — |
| Canonical | Ubuntu Linux | 12.04 | — |
| Canonical | Ubuntu Linux | 14.04 | — |
| Canonical | Ubuntu Linux | 14.10 | — |
| Canonical | Ubuntu Linux | 15.04 | — |
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 List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00007.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00029.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00030.htmlMailing List, Third 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 Advisory, VDB Entry
- http://www.securitytracker.com/id/1032467Third Party Advisory, VDB 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
- https://support.citrix.com/article/CTX206006Third Party Advisory
- 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 List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00007.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00029.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00030.htmlMailing List, Third 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 Advisory, VDB Entry
- http://www.securitytracker.com/id/1032467Third Party Advisory, VDB 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
- https://support.citrix.com/article/CTX206006Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2015-4106?
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.
How severe is CVE-2015-4106?
Severity scoring for CVE-2015-4106 is pending analysis. The EPSS model estimates a 0.48% probability of exploitation in the next 30 days.
How do I fix CVE-2015-4106?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2015-4106?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST