CVE-2016-4470

CVE Details

Release Date:

2016-06-15

Description

The key_reject_and_link function in security/keys/key.c in the Linuxkernel through 4.6.3 does not ensure that a certain data structure is initialized, which allows local users to cause a denial of service (system crash) via vectors involving a crafted keyctl request2 command.

See more information about CVE-2016-4470 from MITRE CVE dictionary and NIST NVD

CVSS v2.0 metrics

NOTE: The following CVSS v2.0 metrics and score provided are preliminary and subject to review.

Base Score:	6.9	Base Metrics:	AV:L/AC:M/Au:N/C:C/I:C/A:C
Access Vector:	Local network	Attack Complexity:	Medium
Authentication:	None required	Confidentiality Impact:	Complete
Integrity Impact:	Complete	Availability Impact:	Complete

Errata information

Platform	Errata	Release Date
Oracle Linux version 5 (kernel-uek)	ELSA-2016-3592	2016-08-04
Oracle Linux version 6 (dtrace-modules-3.8.13-118.9.2.el6uek)	ELSA-2016-3591	2016-08-04
Oracle Linux version 6 (dtrace-modules-4.1.12-37.6.2.el6uek)	ELSA-2016-3593	2016-08-04
Oracle Linux version 6 (kernel)	ELSA-2016-2006	2016-10-04
Oracle Linux version 6 (kernel-uek)	ELSA-2016-3591	2016-08-04
Oracle Linux version 6 (kernel-uek)	ELSA-2016-3592	2016-08-04
Oracle Linux version 6 (kernel-uek)	ELSA-2016-3593	2016-08-04
Oracle Linux version 7 (dtrace-modules-3.8.13-118.9.2.el7uek)	ELSA-2016-3591	2016-08-04
Oracle Linux version 7 (dtrace-modules-4.1.12-37.6.2.el7uek)	ELSA-2016-3593	2016-08-04
Oracle Linux version 7 (kernel)	ELSA-2016-1539	2016-08-02
Oracle Linux version 7 (kernel-uek)	ELSA-2016-3591	2016-08-04
Oracle Linux version 7 (kernel-uek)	ELSA-2016-3593	2016-08-04
Oracle VM version 3.2 (kernel-uek)	OVMSA-2016-0158	2016-11-15
Oracle VM version 3.3 (kernel-uek)	OVMSA-2016-0095	2016-08-05
Oracle VM version 3.4 (kernel-uek)	OVMSA-2016-0094	2016-08-05

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team