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Vulnerability Details : CVE-2017-12136

Race condition in the grant table code in Xen 4.6.x through 4.9.x allows local guest OS administrators to cause a denial of service (free list corruption and host crash) or gain privileges on the host via vectors involving maptrack free list handling.
Publish Date : 2017-08-24 Last Update Date : 2019-05-06
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceGain privileges
CWE ID 362

- Products Affected By CVE-2017-12136

# Product Type Vendor Product Version Update Edition Language
1 Application Citrix Xenserver 6.0.2 * * * Version Details Vulnerabilities
2 Application Citrix Xenserver 6.2.0 * * * Version Details Vulnerabilities
3 Application Citrix Xenserver 6.5 * * * Version Details Vulnerabilities
4 Application Citrix Xenserver 7.0 * * * Version Details Vulnerabilities
5 Application Citrix Xenserver 7.1 * * * Version Details Vulnerabilities
6 Application Citrix Xenserver 7.2 * * * Version Details Vulnerabilities
7 OS Debian Debian Linux 8.0 * * * Version Details Vulnerabilities
8 OS Debian Debian Linux 9.0 * * * Version Details Vulnerabilities
9 OS XEN XEN 4.6.0 * * * Version Details Vulnerabilities
10 OS XEN XEN 4.6.1 * * * Version Details Vulnerabilities
11 OS XEN XEN 4.6.3 * * * Version Details Vulnerabilities
12 OS XEN XEN 4.6.4 * * * Version Details Vulnerabilities
13 OS XEN XEN 4.6.5 * * * Version Details Vulnerabilities
14 OS XEN XEN 4.6.6 * * * Version Details Vulnerabilities
15 OS XEN XEN 4.7.0 * * * Version Details Vulnerabilities
16 OS XEN XEN 4.7.1 * * * Version Details Vulnerabilities
17 OS XEN XEN 4.7.2 * * * Version Details Vulnerabilities
18 OS XEN XEN 4.7.3 * * * Version Details Vulnerabilities
19 OS XEN XEN 4.8.0 * * * Version Details Vulnerabilities
20 OS XEN XEN 4.8.1 * * * Version Details Vulnerabilities
21 OS XEN XEN 4.9.0 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Citrix Xenserver 6
Debian Debian Linux 2

- References For CVE-2017-12136
GENTOO GLSA-201801-14
MLIST [oss-security] 20170815 Xen Security Advisory 228 (CVE-2017-12136) - grant_table: Race conditions with maptrack free list handling
BID 100346 Xen CVE-2017-12136 Privilege Escalation Vulnerability Release Date:2017-08-15 CONFIRM
SECTRACK 1039175

- Metasploit Modules Related To CVE-2017-12136

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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