Vulnerability Description
Xen 3.3.x through 4.5.x does not properly restrict write access to the host MSI message data field, which allows local x86 HVM guest administrators to cause a denial of service (host interrupt handling confusion) via vectors related to qemu and accessing spanning multiple fields.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | 3.3.0 |
Related Weaknesses (CWE)
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160154.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160171.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160685.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00029.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00030.html
- http://support.citrix.com/article/CTX201145
- http://www.debian.org/security/2015/dsa-3284
- http://www.debian.org/security/2015/dsa-3286
- http://www.securityfocus.com/bid/74947
- http://www.securitytracker.com/id/1032456
- http://www.ubuntu.com/usn/USN-2630-1
- http://xenbits.xen.org/xsa/advisory-128.htmlVendor Advisory
- https://security.gentoo.org/glsa/201604-03
FAQ
What is CVE-2015-4103?
CVE-2015-4103 is a vulnerability with a CVSS score of 4.9 (MEDIUM). Xen 3.3.x through 4.5.x does not properly restrict write access to the host MSI message data field, which allows local x86 HVM guest administrators to cause a denial of service (host interrupt handlin...
How severe is CVE-2015-4103?
CVE-2015-4103 has been rated MEDIUM with a CVSS base score of 4.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-4103?
Check the references section above for vendor advisories and patch information. Affected products include: Xen Xen.