CVE-2012-6030: Input Validation
First published: Fri Nov 23 2012(Updated: )
The do_tmem_op function in the Transcendent Memory (TMEM) in Xen 4.0, 4.1, and 4.2 allow local guest OS users to cause a denial of service (host crash) and possibly have other unspecified impacts via unspecified vectors related to "broken locking checks" in an "error path." NOTE: this issue was originally published as part of CVE-2012-3497, which was too general; CVE-2012-3497 has been SPLIT into this ID and others.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Xen xen-unstable | =4.0.0 | |
| Xen xen-unstable | =4.1.0 | |
| Xen xen-unstable | =4.2.0 |
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Reference Links
- http://lists.xen.org/archives/html/xen-announce/2012-09/msg00006.html
- http://osvdb.org/85199
- http://secunia.com/advisories/50472
- http://secunia.com/advisories/55082
- http://security.gentoo.org/glsa/glsa-201309-24.xml
- http://wiki.xen.org/wiki/Security_Announcements#XSA-15_multiple_TMEM_hypercall_vulnerabilities
- http://www.openwall.com/lists/oss-security/2012/09/05/8
- http://www.securityfocus.com/bid/55410
- http://www.securitytracker.com/id?1027482
- https://exchange.xforce.ibmcloud.com/vulnerabilities/78268
- https://security.gentoo.org/glsa/201604-03
Frequently Asked Questions
What is the severity of CVE-2012-6030?
CVE-2012-6030 is classified as a high-severity vulnerability that can lead to denial of service and host crashes.
How do I fix CVE-2012-6030?
To address CVE-2012-6030, upgrade your Xen hypervisor to a version later than 4.2.0 that includes the necessary security patches.
What software is affected by CVE-2012-6030?
CVE-2012-6030 affects Xen versions 4.0.0, 4.1.0, and 4.2.0.
What type of vulnerability is CVE-2012-6030?
CVE-2012-6030 is a local denial of service vulnerability that arises from broken locking checks in Transcendent Memory (TMEM) functionality.
Are there any exploits available for CVE-2012-6030?
There are no publicly known exploits for CVE-2012-6030, but the vulnerability allows local guests to potentially cause a host crash.
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- agent/softwarecombine
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- vendor/xen
- canonical/xen xen-unstable
- version/xen xen-unstable/4.0.0
- version/xen xen-unstable/4.1.0
- version/xen xen-unstable/4.2.0