Vulnerability Monitor

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CVE-2012-4536

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.

Published

2012-11-21T23:55:02.117

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 2.1 (LOW)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:N/I:N/A:P

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

3.9

Impact Score

2.9

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	xen	xen	2.2.0	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.html ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00009.html ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html ([email protected])
http://lists.xen.org/archives/html/xen-announce/2012-11/msg00003.html Vendor Advisory ([email protected])
http://osvdb.org/87297 ([email protected])
http://secunia.com/advisories/51200 ([email protected])
http://secunia.com/advisories/51324 ([email protected])
http://secunia.com/advisories/51352 ([email protected])
http://secunia.com/advisories/51413 ([email protected])
http://secunia.com/advisories/55082 ([email protected])
http://security.gentoo.org/glsa/glsa-201309-24.xml ([email protected])
http://www.openwall.com/lists/oss-security/2012/11/13/2 ([email protected])
http://www.securityfocus.com/bid/56498 ([email protected])
http://www.securitytracker.com/id?1027760 ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/80023 ([email protected])
https://security.gentoo.org/glsa/201604-03 ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00009.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.xen.org/archives/html/xen-announce/2012-11/msg00003.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://osvdb.org/87297 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/51200 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/51324 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/51352 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/51413 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/55082 (af854a3a-2127-422b-91ae-364da2661108)
http://security.gentoo.org/glsa/glsa-201309-24.xml (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2012/11/13/2 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/56498 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id?1027760 (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/80023 (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201604-03 (af854a3a-2127-422b-91ae-364da2661108)