Vulnerability Details : CVE-2012-5515
The (1) XENMEM_decrease_reservation, (2) XENMEM_populate_physmap, and (3) XENMEM_exchange hypercalls in Xen 4.2 and earlier allow local guest administrators to cause a denial of service (long loop and hang) via a crafted extent_order value.
Vulnerability category: Denial of service
Products affected by CVE-2012-5515
- cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.1.4:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.2.1:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.3.2:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.4.1:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.2.2:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.2.3:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.3.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.3.1:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.0.2:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.0.3:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.0.4:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.4.3:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.4.4:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.0.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.1.3:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.2.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.4.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.4.2:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.0.4:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.1.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.0.2:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.0.3:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.1.1:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.0.1:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.1.2:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.1.3:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2012-5515
0.14%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 31 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2012-5515
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.7
|
MEDIUM | AV:L/AC:M/Au:N/C:N/I:N/A:C |
3.4
|
6.9
|
NIST |
References for CVE-2012-5515
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http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html
[security-announce] SUSE-SU-2014:0470-1: important: Security update for
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http://lists.opensuse.org/opensuse-updates/2013-04/msg00051.html
openSUSE-SU-2013:0636-1: moderate: xen: security and bugfix update
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http://secunia.com/advisories/51486
Sign inVendor Advisory
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http://www.openwall.com/lists/oss-security/2012/12/03/9
oss-security - Xen Security Advisory 31 (CVE-2012-5515) - Several memory hypercall operations allow invalid extent order values
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http://secunia.com/advisories/51487
Sign inVendor Advisory
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http://security.gentoo.org/glsa/glsa-201309-24.xml
Xen: Multiple vulnerabilities (GLSA 201309-24) — Gentoo security
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http://www.debian.org/security/2012/dsa-2582
Debian -- Security Information -- DSA-2582-1 xen
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http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html
[security-announce] SUSE-SU-2012:1615-1: important: Security update for
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http://secunia.com/advisories/51468
Sign inVendor Advisory
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http://secunia.com/advisories/51397
Sign inVendor Advisory
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http://support.citrix.com/article/CTX135777
Citrix XenServer Multiple Security Updates
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http://www.securityfocus.com/bid/56798
Xen 'extent_order' Values Multiple Local Denial of Service Vulnerabilities
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http://www.osvdb.org/88127
404 Not Found
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http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
[security-announce] SUSE-SU-2014:0446-1: important: Security update for
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http://lists.opensuse.org/opensuse-updates/2013-04/msg00052.html
openSUSE-SU-2013:0637-1: moderate: xen: security and bugfix update
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http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00011.html
[security-announce] openSUSE-SU-2013:0133-1: important: xen to fix vario
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https://exchange.xforce.ibmcloud.com/vulnerabilities/80479
Xen extent_order denial of service CVE-2012-5515 Vulnerability Report
-
http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00018.html
[security-announce] openSUSE-SU-2012:1685-1: important: xen to fix vario
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http://secunia.com/advisories/55082
Sign in
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http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00019.html
[security-announce] openSUSE-SU-2012:1687-1: important: xen to fix vario
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http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00000.html
[security-announce] SUSE-SU-2012:1606-1: important: Security update for
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http://secunia.com/advisories/51495
Sign inVendor Advisory
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http://lists.xen.org/archives/html/xen-announce/2012-12/msg00001.html
Xen project Mailing ListVendor Advisory
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