CVE-2016-7042

CVE Details

Release Date:	2016-10-13
Impact:	Moderate	What is this?

Description

The proc_keys_show function in security/keys/proc.c in the Linuxkernel through 4.8.2, when the GNU Compiler Collection (gcc) stack protector is enabled, uses an incorrect buffer size for certain timeout data, which allows local users to cause a denial of service (stack memory corruption and panic) by reading the /proc/keys file.

See more information about CVE-2016-7042 from MITRE CVE dictionary and NIST NVD

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

CVSS v2 metrics

Base Score:	4.9
Vector String:	AV:L/AC:L/Au:N/C:N/I:N/A:C
Version:	2.0
Attack Vector:	Local
Attack Complexity:	Low
Authentication:	None
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Complete

Errata information

Platform	Errata	Release Date
Oracle Linux version 5 (kernel-uek)	ELSA-2017-3510	2017-01-12
Oracle Linux version 6 (dtrace-modules-3.8.13-118.16.2.el6uek)	ELSA-2017-3509	2017-01-12
Oracle Linux version 6 (dtrace-modules-4.1.12-61.1.25.el6uek)	ELSA-2017-3508	2017-01-12
Oracle Linux version 6 (kernel)	ELSA-2017-0817	2017-03-27
Oracle Linux version 6 (kernel-uek)	ELSA-2017-3508	2017-01-12
Oracle Linux version 6 (kernel-uek)	ELSA-2017-3509	2017-01-12
Oracle Linux version 6 (kernel-uek)	ELSA-2017-3510	2017-01-12
Oracle Linux version 7 (dtrace-modules-3.8.13-118.16.2.el7uek)	ELSA-2017-3509	2017-01-12
Oracle Linux version 7 (dtrace-modules-4.1.12-61.1.25.el7uek)	ELSA-2017-3508	2017-01-12
Oracle Linux version 7 (kernel)	ELSA-2017-1842	2017-08-07
Oracle Linux version 7 (kernel)	ELSA-2017-1842-1	2017-08-15
Oracle Linux version 7 (kernel-uek)	ELSA-2017-3508	2017-01-12
Oracle Linux version 7 (kernel-uek)	ELSA-2017-3509	2017-01-12
Oracle VM version 3.2 (kernel-uek)	OVMSA-2017-0006	2017-01-12
Oracle VM version 3.3 (kernel-uek)	OVMSA-2017-0005	2017-01-12
Oracle VM version 3.4 (kernel-uek)	OVMSA-2017-0004	2017-01-12