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CVE-2012-3433

Date: November 24, 2012

Xen 4.0 and 4.1 allows local HVM guest OS kernels to cause a denial of service (domain 0 VCPU hang and kernel panic) by modifying the physical address space in a way that triggers excessive shared page search time during the p2m teardown.

Severity Score

Related Resources (12)

http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00024.html
http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.html
http://www.openwall.com/lists/oss-security/2012/08/09/3
http://www.securityfocus.com/bid/54942
http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00025.html
https://nvd.nist.gov/vuln/detail/CVE-2012-3433
http://www.debian.org/security/2012/dsa-2531
http://secunia.com/advisories/55082
http://security.gentoo.org/glsa/glsa-201309-24.xml
http://lists.xen.org/archives/html/xen-devel/2012-08/msg00855.html
http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html
https://www.mend.io/vulnerability-database/CVE-2012-3433

Severity Score

Weakness Type (CWE)

Resource Management Errors

CWE-399

CVSS v3.1

Base Score:
Attack Vector (AV): ADJACENT_NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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