CVE-2012-3497: Input Validation
First published: Fri Nov 23 2012(Updated: )
(1) TMEMC_SAVE_GET_CLIENT_WEIGHT, (2) TMEMC_SAVE_GET_CLIENT_CAP, (3) TMEMC_SAVE_GET_CLIENT_FLAGS and (4) TMEMC_SAVE_END 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 (NULL pointer dereference or memory corruption and host crash) or possibly have other unspecified impacts via a NULL client id.
Credit: secalert@redhat.com
| 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.opensuse.org/opensuse-security-announce/2012-11/msg00008.html
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
- 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/51324
- http://secunia.com/advisories/51352
- http://secunia.com/advisories/51413
- 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-2012-3497?
CVE-2012-3497 has a severity rating that indicates it can lead to denial of service through NULL pointer dereference or memory corruption.
How do I fix CVE-2012-3497?
To fix CVE-2012-3497, upgrade your Xen installation to a version beyond 4.2.0.
Which versions of Xen are affected by CVE-2012-3497?
CVE-2012-3497 affects Xen versions 4.0.0, 4.1.0, and 4.2.0.
What type of impact can CVE-2012-3497 have on a system?
CVE-2012-3497 can lead to a denial of service, resulting in a host crash.
Can local guest OS users exploit CVE-2012-3497?
Yes, local guest OS users can exploit CVE-2012-3497 to cause system disruptions.
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- agent/weakness
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- agent/severity
- agent/references
- agent/author
- agent/tags
- agent/description
- agent/event
- collector/nvd-index
- agent/software-canonical-lookup-request
- 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