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CVE-2012-3494

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CVE-2012-3494

Published: Nov 23, 2012

Modified: Aug 6, 2024

PUBLISHED

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.

VendorProductVersions

n/a

n/a

affected
n/a

References

55082
third-party-advisory
x_refsource_SECUNIA
50530
third-party-advisory
x_refsource_SECUNIA
51413
third-party-advisory
x_refsource_SECUNIA
GLSA-201309-24
vendor-advisory
x_refsource_GENTOO
SUSE-SU-2012:1135
vendor-advisory
x_refsource_SUSE
openSUSE-SU-2012:1572
vendor-advisory
x_refsource_SUSE
50472
third-party-advisory
x_refsource_SECUNIA
55400
vdb-entry
x_refsource_BID
SUSE-SU-2012:1162
vendor-advisory
x_refsource_SUSE
openSUSE-SU-2012:1174
vendor-advisory
x_refsource_SUSE
GLSA-201604-03
vendor-advisory
x_refsource_GENTOO
xen-setdebugreg-dos(78265)
vdb-entry
x_refsource_XF
SUSE-SU-2012:1132
vendor-advisory
x_refsource_SUSE
SUSE-SU-2012:1129
vendor-advisory
x_refsource_SUSE
SUSE-SU-2012:1133
vendor-advisory
x_refsource_SUSE
85197
vdb-entry
x_refsource_OSVDB
1027479
vdb-entry
x_refsource_SECTRACK
openSUSE-SU-2012:1573
vendor-advisory
x_refsource_SUSE
openSUSE-SU-2012:1172
vendor-advisory
x_refsource_SUSE
DSA-2544
vendor-advisory
x_refsource_DEBIAN

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