Home/CVE/Xen 4.0, and 4.1, when running a 64-bit PV guest on "older" AMD CPUs, does not properly protect against a certain AMD pr
CVE

CVE-2012-2934

Xen 4.0, and 4.1, when running a 64-bit PV guest on "older" AMD CPUs, does not properly protect against a certain AMD pr

Xen 4.0, and 4.1, when running a 64-bit PV guest on "older" AMD CPUs, does not properly protect against a certain AMD processor bug, which allows local guest OS users to cause a denial of service (host hang) via sequential execution of instructions across a non-canonical boundary, a different vulnerability than CVE-2012-0217.

LOW · CVSS 1.9 EPSS 0.00168
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
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Affected Products & Versions

1
xenall versions
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Scoring & Timeline

1.9
LOW · CVSS v2 (legacy) · cve@mitre.org
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This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:L/AC:M/Au:N/C:N/I:N/A:P
Published to NVD03 Dec 2012 · 09:55 PM
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Vendor Advisories

1
rhsaRHSA-2012:0721Important
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References & Sources

9
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
http://lists.xen.org/archives/html/xen-announce/2012-06/msg00002.htmlPatchVendor Advisory
http://secunia.com/advisories/51413
http://secunia.com/advisories/55082
http://security.gentoo.org/glsa/glsa-201309-24.xml
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