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Vulnerability Details : CVE-2017-7472

The KEYS subsystem in the Linux kernel before 4.10.13 allows local users to cause a denial of service (memory consumption) via a series of KEY_REQKEY_DEFL_THREAD_KEYRING keyctl_set_reqkey_keyring calls.
Publish Date : 2017-05-11 Last Update Date : 2019-10-03
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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 404

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2018:0151: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20180151 unix
RHSA-2018:0152: kernel-rt security and bug fix update (Important) oval:com.redhat.rhsa:def:20180152 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-2017-7472

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 1

- References For CVE-2017-7472

https://bugzilla.novell.com/show_bug.cgi?id=1034862 CONFIRM
https://access.redhat.com/errata/RHSA-2018:0151
REDHAT RHSA-2018:0151
https://access.redhat.com/errata/RHSA-2018:0152
REDHAT RHSA-2018:0152
https://access.redhat.com/errata/RHSA-2018:0181
REDHAT RHSA-2018:0181
https://www.exploit-db.com/exploits/42136/
EXPLOIT-DB 42136
http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html
SUSE SUSE-SU-2018:0011
http://www.securitytracker.com/id/1038471
SECTRACK 1038471
http://www.securityfocus.com/bid/98422
BID 98422 Linux Kernel 'security/keys/keyctl.c' Local Denial of Service Vulnerability Release Date:2017-06-07
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c9f838d104fed6f2f61d68164712e3204bf5271b CONFIRM
http://openwall.com/lists/oss-security/2017/05/11/1 CONFIRM
https://github.com/torvalds/linux/commit/c9f838d104fed6f2f61d68164712e3204bf5271b CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=1442086 CONFIRM
https://lkml.org/lkml/2017/4/1/235 CONFIRM
https://lkml.org/lkml/2017/4/3/724 CONFIRM
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.13 CONFIRM

- Metasploit Modules Related To CVE-2017-7472

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


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