Vulnerability Details : CVE-2012-6036
The (1) memc_save_get_next_page, (2) tmemc_restore_put_page and (3) tmemc_restore_flush_page functions in the Transcendent Memory (TMEM) in Xen 4.0, 4.1, and 4.2 do not check for negative id pools, which allows local guest OS users to cause a denial of service (memory corruption and host crash) or possibly execute arbitrary code via unspecified vectors. NOTE: this issue was originally published as part of CVE-2012-3497, which was too general; CVE-2012-3497 has been SPLIT into this ID and others.
Vulnerability category: Memory CorruptionExecute codeDenial of service
Products affected by CVE-2012-6036
- cpe:2.3:o:xen:xen:4.0.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.1.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2012-6036
0.08%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 34 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2012-6036
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.4
|
MEDIUM | AV:L/AC:M/Au:N/C:P/I:P/A:P |
3.4
|
6.4
|
NIST |
CWE ids for CVE-2012-6036
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2012-6036
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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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https://exchange.xforce.ibmcloud.com/vulnerabilities/80326
Xen memc_save_get_next_page code execution CVE-2012-6036 Vulnerability Report
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http://www.securityfocus.com/bid/55410
Xen 'TMEM hypercall' Multiple Security Vulnerabilities
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https://exchange.xforce.ibmcloud.com/vulnerabilities/78268
Xen TMEM privilege escalation CVE-2012-6036 Vulnerability Report
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http://www.openwall.com/lists/oss-security/2012/09/05/8
oss-security - Xen Security Advisory 15 (CVE-2012-3497) - multiple TMEM hypercall vulnerabilities
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http://www.securitytracker.com/id?1027482
Xen Transcendent Memory (TMEM) Multiple Flaws Lets Local Users on the Guest Operating System Gain Elevated Privileges on the Host - SecurityTracker
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https://security.gentoo.org/glsa/201604-03
Xen: Multiple vulnerabilities (GLSA 201604-03) — Gentoo security
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http://wiki.xen.org/wiki/Security_Announcements#XSA-15_multiple_TMEM_hypercall_vulnerabilities
Security Announcements (Historical) - Xen
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http://lists.xen.org/archives/html/xen-announce/2012-09/msg00006.html
Xen project Mailing ListVendor Advisory
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