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Mend.io Vulnerability Database

CVE-2015-8539

Date: February 7, 2016

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.

Language: C

Severity Score

7.8

Related Resources (28)

Url: https://bugzilla.redhat.com/show_bug.cgi?id=1284450

Url: http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00008.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00009.html

Url: https://access.redhat.com/errata/RHSA-2018:0181

Url: http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00011.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00017.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00022.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00018.html

Url: https://access.redhat.com/security/cve/CVE-2015-8539

Url: http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00007.html

Url: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=096fe9eaea40a17e125569f9e657e34cdb6d73bd

Url: https://usn.ubuntu.com/3798-1/

Url: http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html

Url: https://nvd.nist.gov/vuln/detail/CVE-2015-8539

Url: http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00021.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00034.html

Url: http://www.openwall.com/lists/oss-security/2015/12/09/1

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2015-8539

Url: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00020.html

Url: https://usn.ubuntu.com/3798-2/

Url: http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00019.html

Url: https://access.redhat.com/errata/RHSA-2018:0152

Url: https://access.redhat.com/errata/RHSA-2018:0151

Url: https://github.com/torvalds/linux/commit/096fe9eaea40a17e125569f9e657e34cdb6d73bd

Url: https://www.mend.io/vulnerability-database/CVE-2015-8539

Severity Score

7.8

Weakness Type (CWE)

Permissions, Privileges, and Access Control

CWE-264

Improper Privilege Management

CWE-269

CVSS v3.1

Base Score:	7.8
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	7.2
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	COMPLETE
Integrity (I):	COMPLETE
Availability (A):	COMPLETE
Additional information:

Mend.io Vulnerability Database

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CVE-2015-8539

Date: February 7, 2016

Language: C

Severity Score

Related Resources (28)

Severity Score

Weakness Type (CWE)

CVSS v3.1

CVSS v2

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