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Vulnerability Details : CVE-2015-7970

The p2m_pod_emergency_sweep function in arch/x86/mm/p2m-pod.c in Xen 3.4.x, 3.5.x, and 3.6.x is not preemptible, which allows local x86 HVM guest administrators to cause a denial of service (CPU consumption and possibly reboot) via crafted memory contents that triggers a "time-consuming linear scan," related to Populate-on-Demand.
Publish Date : 2015-10-30 Last Update Date : 2017-06-30
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- CVSS Scores & Vulnerability Types

CVSS Score
4.9
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 399

- Products Affected By CVE-2015-7970

# Product Type Vendor Product Version Update Edition Language
1 OS XEN XEN 3.4.0 Version Details Vulnerabilities
2 OS XEN XEN 3.4.1 Version Details Vulnerabilities
3 OS XEN XEN 3.4.2 Version Details Vulnerabilities
4 OS XEN XEN 3.4.3 Version Details Vulnerabilities
5 OS XEN XEN 3.4.4 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
XEN XEN 5

- References For CVE-2015-7970

https://security.gentoo.org/glsa/201604-03
GENTOO GLSA-201604-03
http://lists.opensuse.org/opensuse-updates/2015-12/msg00053.html
SUSE openSUSE-SU-2015:2250
http://support.citrix.com/article/CTX202404 CONFIRM
http://www.securityfocus.com/bid/77362
BID 77362
http://www.debian.org/security/2015/dsa-3414
DEBIAN DSA-3414
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171185.html
FEDORA FEDORA-2015-6f6b79efe2
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171249.html
FEDORA FEDORA-2015-242be2c240
http://www.securitytracker.com/id/1034034
SECTRACK 1034034
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171082.html
FEDORA FEDORA-2015-a931b02be2
http://xenbits.xen.org/xsa/advisory-150.html CONFIRM

- Metasploit Modules Related To CVE-2015-7970

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


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