Vulnerability Description
libxl in Xen 4.1.x through 4.6.x does not properly handle the readonly flag on disks when using the qemu-xen device model, which allows local guest users to write to a read-only disk image.
CVSS Score
3.6
LOW
AV:L/AC:L/Au:N/C:N/I:P/A:P
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | 4.1.0 |
Related Weaknesses (CWE)
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167077.
- http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167792.
- http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167820.
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00053.html
- http://www.debian.org/security/2015/dsa-3414
- http://www.securityfocus.com/bid/76823
- http://www.securitytracker.com/id/1033633
- http://xenbits.xen.org/xsa/advisory-142.htmlVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1257893
- https://security.gentoo.org/glsa/201604-03
- http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167077.
- http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167792.
- http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167820.
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00053.html
- http://www.debian.org/security/2015/dsa-3414
FAQ
What is CVE-2015-7311?
CVE-2015-7311 is a vulnerability with a CVSS score of 3.6 (LOW). libxl in Xen 4.1.x through 4.6.x does not properly handle the readonly flag on disks when using the qemu-xen device model, which allows local guest users to write to a read-only disk image.
How severe is CVE-2015-7311?
CVE-2015-7311 has been rated LOW with a CVSS base score of 3.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-7311?
Check the references section above for vendor advisories and patch information. Affected products include: Xen Xen.