CVE-2012-3494
N/A
Published: November 23, 2012 at 08:00 PM UTC
Updated: June 16, 2026 at 11:43 PM UTC
2 products affected across 2 vendorsXenXenServer
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Severity
N/A
Exploit prediction
EPSS 0.4%
Description
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00001.html
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.html
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00012.html
References (25)
Vendor Advisoryx_refsource_SUSE
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00001.htmlVendor Advisoryx_refsource_SUSE
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.htmlVendor Advisoryx_refsource_SUSE
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.htmlVendor Advisoryx_refsource_SUSE
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00005.htmlVendor Advisoryx_refsource_SUSE
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00012.htmlVendor Advisoryx_refsource_SUSE
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.htmlVendor Advisoryx_refsource_SUSE
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.htmlVendor Advisoryx_refsource_SUSE
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.htmlQuick Info
StatusMODIFIED
CWE
CWE-264
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