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Vulnerability Details : CVE-2014-8173

The pmd_none_or_trans_huge_or_clear_bad function in include/asm-generic/pgtable.h in the Linux kernel before 3.13 on NUMA systems does not properly determine whether a Page Middle Directory (PMD) entry is a transparent huge-table entry, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted MADV_WILLNEED madvise system call that leverages the absence of a page-table lock.
Publish Date : 2015-03-16 Last Update Date : 2017-01-02
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- CVSS Scores & Vulnerability Types

CVSS Score
7.2
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 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 CWE id is not defined for this vulnerability

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2015:0290: kernel security, bug fix, and enhancement update (Important) oval:com.redhat.rhsa:def:20150290 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2014-8173

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel 3.12.9 ~~~~numa Systems~ Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 1

- References For CVE-2014-8173

https://github.com/torvalds/linux/commit/ee53664bda169f519ce3c6a22d378f0b946c8178 CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=1198457 CONFIRM
http://rhn.redhat.com/errata/RHSA-2015-0290.html
REDHAT RHSA-2015:0290
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ee53664bda169f519ce3c6a22d378f0b946c8178 CONFIRM
http://rhn.redhat.com/errata/RHSA-2015-0694.html
REDHAT RHSA-2015:0694
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.html
SUSE openSUSE-SU-2015:0714

- Metasploit Modules Related To CVE-2014-8173

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


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