CVE-2012-3494
Vulnerability from cvelistv5
Published
2012-11-23 20:00
Modified
2024-08-06 20:05
Severity ?
Summary
The set_debugreg hypercall in include/asm-x86/debugreg.h in Xen 4.0, 4.1, and 4.2, and Citrix XenServer 6.0.2 and earlier, when running on x86-64 systems, allows local OS guest users to cause a denial of service (host crash) by writing to the reserved bits of the DR7 debug control register.
References
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2012-09/msg00001.html
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.html
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2012-09/msg00005.html
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2012-09/msg00012.html
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.html
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
secalert@redhat.comhttp://lists.xen.org/archives/html/xen-announce/2012-09/msg00000.html
secalert@redhat.comhttp://osvdb.org/85197
secalert@redhat.comhttp://secunia.com/advisories/50472Vendor Advisory
secalert@redhat.comhttp://secunia.com/advisories/50530Vendor Advisory
secalert@redhat.comhttp://secunia.com/advisories/51413
secalert@redhat.comhttp://secunia.com/advisories/55082
secalert@redhat.comhttp://security.gentoo.org/glsa/glsa-201309-24.xml
secalert@redhat.comhttp://support.citrix.com/article/CTX134708Patch, Vendor Advisory
secalert@redhat.comhttp://wiki.xen.org/wiki/Security_Announcements#XSA-12_hypercall_set_debugreg_vulnerability
secalert@redhat.comhttp://www.debian.org/security/2012/dsa-2544
secalert@redhat.comhttp://www.openwall.com/lists/oss-security/2012/09/05/5
secalert@redhat.comhttp://www.securityfocus.com/bid/55400
secalert@redhat.comhttp://www.securitytracker.com/id?1027479
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=851139
secalert@redhat.comhttps://exchange.xforce.ibmcloud.com/vulnerabilities/78265
secalert@redhat.comhttps://security.gentoo.org/glsa/201604-03
Impacted products
n/an/a
Show details on NVD website

To clipboard 

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Advisory\"]},{\"url\":\"http://wiki.xen.org/wiki/Security_Announcements#XSA-12_hypercall_set_debugreg_vulnerability\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.debian.org/security/2012/dsa-2544\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2012/09/05/5\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.securityfocus.com/bid/55400\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.securitytracker.com/id?1027479\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=851139\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://exchange.xforce.ibmcloud.com/vulnerabilities/78265\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://security.gentoo.org/glsa/201604-03\",\"source\":\"secalert@redhat.com\"}]}}"
  }
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.