the ultimate security vulnerability data source
(e.g.: CVE-2009-1234 or 2010-1234 or 20101234)
Log In   Register
Vulnerability Feeds & WidgetsNew  

Vulnerability Details : CVE-2015-8539

The KEYS subsystem in the Linux kernel before 4.4 allows local users to gain privileges or cause a denial of service (BUG) via crafted keyctl commands that negatively instantiate a key, related to security/keys/encrypted-keys/encrypted.c, security/keys/trusted.c, and security/keys/user_defined.c.
Publish Date : 2016-02-08 Last Update Date : 2018-10-30
Search Twitter   Search YouTube   Search Google

- 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 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 ServiceGain privileges
CWE ID 264

- 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-2015-8539

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel * RC8 * * Version Details Vulnerabilities
2 OS Novell Suse Linux Enterprise Real Time Extension 12 SP1 * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 1
Novell Suse Linux Enterprise Real Time Extension 1

- References For CVE-2015-8539
MLIST [oss-security] 20151208 CVE request - Linux kernel - Fix handling of stored error in a negatively instantiated user key CONFIRM
REDHAT RHSA-2018:0152
REDHAT RHSA-2018:0151
SUSE SUSE-SU-2016:0383
REDHAT RHSA-2018:0181
SUSE SUSE-SU-2016:0381
SUSE SUSE-SU-2016:0336
SUSE SUSE-SU-2016:0339
SUSE SUSE-SU-2016:0434
SUSE SUSE-SU-2016:0337
SUSE SUSE-SU-2016:0384
SUSE SUSE-SU-2016:0386
SUSE SUSE-SU-2016:0380
SUSE SUSE-SU-2016:1102
SUSE SUSE-SU-2016:0911
SUSE SUSE-SU-2016:2074
SUSE SUSE-SU-2016:0387
SUSE SUSE-SU-2016:0335

- Metasploit Modules Related To CVE-2015-8539

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

CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site. OVAL is a registered trademark of The MITRE Corporation and the authoritative source of OVAL content is MITRE's OVAL web site.
Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.