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Vulnerability Details : CVE-2015-7971

Xen 3.2.x through 4.6.x does not limit the number of printk console messages when logging certain pmu and profiling hypercalls, which allows local guests to cause a denial of service via a sequence of crafted (1) HYPERCALL_xenoprof_op hypercalls, which are not properly handled in the do_xenoprof_op function in common/xenoprof.c, or (2) HYPERVISOR_xenpmu_op hypercalls, which are not properly handled in the do_xenpmu_op function in arch/x86/cpu/vpmu.c.
Publish Date : 2015-10-30 Last Update Date : 2018-10-30
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- CVSS Scores & Vulnerability Types

CVSS Score
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 Partial (There is reduced performance or interruptions in resource availability.)
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

- Products Affected By CVE-2015-7971

# Product Type Vendor Product Version Update Edition Language
1 OS XEN XEN 3.2.0 Version Details Vulnerabilities
2 OS XEN XEN 3.2.1 Version Details Vulnerabilities
3 OS XEN XEN 3.2.2 Version Details Vulnerabilities
4 OS XEN XEN 3.2.3 Version Details Vulnerabilities
5 OS XEN XEN 3.3.0 Version Details Vulnerabilities
6 OS XEN XEN 3.3.1 Version Details Vulnerabilities
7 OS XEN XEN 3.3.2 Version Details Vulnerabilities
8 OS XEN XEN 3.4.0 Version Details Vulnerabilities
9 OS XEN XEN 3.4.1 Version Details Vulnerabilities
10 OS XEN XEN 3.4.2 Version Details Vulnerabilities
11 OS XEN XEN 3.4.3 Version Details Vulnerabilities
12 OS XEN XEN 3.4.4 Version Details Vulnerabilities
13 OS XEN XEN 4.0.0 Version Details Vulnerabilities
14 OS XEN XEN 4.0.1 Version Details Vulnerabilities
15 OS XEN XEN 4.0.2 Version Details Vulnerabilities
16 OS XEN XEN 4.0.3 Version Details Vulnerabilities
17 OS XEN XEN 4.0.4 Version Details Vulnerabilities
18 OS XEN XEN 4.1.0 Version Details Vulnerabilities
19 OS XEN XEN 4.1.1 Version Details Vulnerabilities
20 OS XEN XEN 4.1.2 Version Details Vulnerabilities
21 OS XEN XEN 4.1.3 Version Details Vulnerabilities
22 OS XEN XEN 4.1.4 Version Details Vulnerabilities
23 OS XEN XEN 4.1.5 Version Details Vulnerabilities
24 OS XEN XEN Version Details Vulnerabilities
25 OS XEN XEN 4.2.0 Version Details Vulnerabilities
26 OS XEN XEN 4.2.1 Version Details Vulnerabilities
27 OS XEN XEN 4.2.2 Version Details Vulnerabilities
28 OS XEN XEN 4.2.3 Version Details Vulnerabilities
29 OS XEN XEN 4.3.0 Version Details Vulnerabilities
30 OS XEN XEN 4.3.1 Version Details Vulnerabilities
31 OS XEN XEN 4.3.2 Version Details Vulnerabilities
32 OS XEN XEN 4.3.4 Version Details Vulnerabilities
33 OS XEN XEN 4.4.0 Version Details Vulnerabilities
34 OS XEN XEN 4.4.1 - Version Details Vulnerabilities
35 OS XEN XEN 4.5.0 Version Details Vulnerabilities
36 OS XEN XEN 4.5.1 Version Details Vulnerabilities
37 OS XEN XEN 4.6.0 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions

- References For CVE-2015-7971
GENTOO GLSA-201604-03
BID 77363 Xen CVE-2015-7971 Denial of Service Vulnerability Release Date:2015-11-19 CONFIRM
SECTRACK 1034035
SUSE openSUSE-SU-2015:1965
FEDORA FEDORA-2015-242be2c240
FEDORA FEDORA-2015-a931b02be2
FEDORA FEDORA-2015-6f6b79efe2

- Metasploit Modules Related To CVE-2015-7971

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

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