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CVE-2012-4536

Date: November 21, 2012

The (1) domain_pirq_to_emuirq and (2) physdev_unmap_pirq functions in Xen 2.2 allows local guest OS administrators to cause a denial of service (Xen crash) via a crafted pirq value that triggers an out-of-bounds read.

Severity Score

Related Resources (19)

http://secunia.com/advisories/51200
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
http://security.gentoo.org/glsa/glsa-201309-24.xml
http://secunia.com/advisories/51352
http://secunia.com/advisories/51413
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00009.html
http://secunia.com/advisories/51324
https://nvd.nist.gov/vuln/detail/CVE-2012-4536
http://www.securityfocus.com/bid/56498
https://security.gentoo.org/glsa/201604-03
https://exchange.xforce.ibmcloud.com/vulnerabilities/80023
http://www.openwall.com/lists/oss-security/2012/11/13/2
http://www.securitytracker.com/id?1027760
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.html
http://lists.xen.org/archives/html/xen-announce/2012-11/msg00003.html
http://secunia.com/advisories/55082
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
http://osvdb.org/87297
https://www.mend.io/vulnerability-database/CVE-2012-4536

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

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): PARTIAL
Additional information:

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