CVE-2015-7311
First published: Thu Oct 01 2015(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Xen xen-unstable | =4.1.0 | |
| Xen xen-unstable | =4.1.1 | |
| Xen xen-unstable | =4.1.2 | |
| Xen xen-unstable | =4.1.3 | |
| Xen xen-unstable | =4.1.4 | |
| Xen xen-unstable | =4.1.5 | |
| Xen xen-unstable | =4.1.6.1 | |
| Xen xen-unstable | =4.2.0 | |
| Xen xen-unstable | =4.2.1 | |
| Xen xen-unstable | =4.2.2 | |
| Xen xen-unstable | =4.2.3 | |
| Xen xen-unstable | =4.2.4 | |
| Xen xen-unstable | =4.2.5 | |
| Xen xen-unstable | =4.3.0 | |
| Xen xen-unstable | =4.3.1 | |
| Xen xen-unstable | =4.3.2 | |
| Xen xen-unstable | =4.3.3 | |
| Xen xen-unstable | =4.3.4 | |
| Xen xen-unstable | =4.4.0 | |
| Xen xen-unstable | =4.4.0-rc1 | |
| Xen xen-unstable | =4.4.1 | |
| Xen xen-unstable | =4.5.0 | |
| Xen xen-unstable | =4.5.1 |
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Reference Links
- 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
Frequently Asked Questions
What is the severity of CVE-2015-7311?
CVE-2015-7311 has a medium severity rating due to its potential for local attack vectors.
How do I fix CVE-2015-7311?
To fix CVE-2015-7311, update to the latest version of Xen that addresses this vulnerability.
Who is affected by CVE-2015-7311?
CVE-2015-7311 affects users of Xen versions 4.1.x through 4.6.x using the qemu-xen device model.
What are the implications of CVE-2015-7311?
CVE-2015-7311 allows local guest users to write to a read-only disk image, potentially compromising data integrity.
Is there a workaround for CVE-2015-7311?
There are no official workarounds for CVE-2015-7311, and users are advised to apply patches as soon as possible.
- agent/references
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/weakness
- agent/severity
- agent/author
- agent/description
- agent/event
- agent/first-publish-date
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/xen
- canonical/xen xen-unstable
- version/xen xen-unstable/4.1.0
- version/xen xen-unstable/4.1.1
- version/xen xen-unstable/4.1.2
- version/xen xen-unstable/4.1.3
- version/xen xen-unstable/4.1.4
- version/xen xen-unstable/4.1.5
- version/xen xen-unstable/4.1.6.1
- version/xen xen-unstable/4.2.0
- version/xen xen-unstable/4.2.1
- version/xen xen-unstable/4.2.2
- version/xen xen-unstable/4.2.3
- version/xen xen-unstable/4.2.4
- version/xen xen-unstable/4.2.5
- version/xen xen-unstable/4.3.0
- version/xen xen-unstable/4.3.1
- version/xen xen-unstable/4.3.2
- version/xen xen-unstable/4.3.3
- version/xen xen-unstable/4.3.4
- version/xen xen-unstable/4.4.0
- version/xen xen-unstable/4.4.0-rc1
- version/xen xen-unstable/4.4.1
- version/xen xen-unstable/4.5.0
- version/xen xen-unstable/4.5.1