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.

References

http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167077.html

http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167792.html

http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167820.html

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.html

https://bugzilla.redhat.com/show_bug.cgi?id=1257893

https://security.gentoo.org/glsa/201604-03

Details

Risk Information

CVSS v2