CVE-2014-7154: Race Condition
First published: Thu Oct 02 2014(Updated: )
Race condition in HVMOP_track_dirty_vram in Xen 4.0.0 through 4.4.x does not ensure possession of the guarding lock for dirty video RAM tracking, which allows certain local guest domains to cause a denial of service via unspecified vectors.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Fedora | =19 | |
| Fedora | =20 | |
| Debian | =7.0 | |
| Xen XAPI | =4.1.0 | |
| Xen XAPI | =4.1.1 | |
| Xen XAPI | =4.1.2 | |
| Xen XAPI | =4.1.3 | |
| Xen XAPI | =4.1.4 | |
| Xen XAPI | =4.1.5 | |
| Xen XAPI | =4.1.6.1 | |
| Xen XAPI | =4.2.0 | |
| Xen XAPI | =4.2.1 | |
| Xen XAPI | =4.2.2 | |
| Xen XAPI | =4.2.3 | |
| Xen XAPI | =4.3.0 | |
| Xen XAPI | =4.3.1 | |
| Xen XAPI | =4.4.0 | |
| Xen XAPI | =4.4.0-rc1 | |
| Xen XAPI | =4.4.1 | |
| openSUSE libeconf | =12.3 | |
| openSUSE libeconf | =13.1 |
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Reference Links
- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140418.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140483.html
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00002.html
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00003.html
- http://secunia.com/advisories/61501
- http://secunia.com/advisories/61890
- http://security.gentoo.org/glsa/glsa-201412-42.xml
- http://www.debian.org/security/2014/dsa-3041
- http://www.securitytracker.com/id/1030887
- http://xenbits.xen.org/xsa/advisory-104.html
Frequently Asked Questions
What is the severity of CVE-2014-7154?
CVE-2014-7154 has a severity rating that poses a potential denial of service risk to affected versions of Xen.
How do I fix CVE-2014-7154?
To fix CVE-2014-7154, upgrade to a version of Xen that is not vulnerable, specifically versions after 4.4.x.
Which systems are affected by CVE-2014-7154?
CVE-2014-7154 affects multiple Fedora, Debian, and openSUSE versions, particularly those using Xen versions from 4.0.0 to 4.4.x.
What does CVE-2014-7154 exploit?
CVE-2014-7154 exploits a race condition in the HVMOP_track_dirty_vram functionality in Xen, allowing local guest domains to cause crashes.
Is there a workaround for CVE-2014-7154?
There are no documented workarounds for CVE-2014-7154, so upgrading to a patched version is recommended.
- agent/references
- agent/type
- agent/remedy
- agent/severity
- agent/author
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/first-publish-date
- agent/event
- agent/source
- agent/weakness
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/softwarecombine
- agent/tags
- vendor/fedoraproject
- canonical/fedora
- version/fedora/19
- version/fedora/20
- vendor/debian
- canonical/debian
- version/debian/7.0
- vendor/xen
- canonical/xen xapi
- version/xen xapi/4.1.0
- version/xen xapi/4.1.1
- version/xen xapi/4.1.2
- version/xen xapi/4.1.3
- version/xen xapi/4.1.4
- version/xen xapi/4.1.5
- version/xen xapi/4.1.6.1
- version/xen xapi/4.2.0
- version/xen xapi/4.2.1
- version/xen xapi/4.2.2
- version/xen xapi/4.2.3
- version/xen xapi/4.3.0
- version/xen xapi/4.3.1
- version/xen xapi/4.4.0
- version/xen xapi/4.4.0-rc1
- version/xen xapi/4.4.1
- vendor/opensuse
- canonical/opensuse libeconf
- version/opensuse libeconf/12.3
- version/opensuse libeconf/13.1