CVE-2014-9090

CVE Details

Release Date:	2014-11-23
Impact:	Moderate	What is this?

Description

The do_double_fault function in arch/x86/kernel/traps.c in the Linux kernel through 3.17.4 does not properly handle faults associated with the Stack Segment (SS) segment register, which allows local users to cause a denial of service (panic) via a modify_ldt system call, as demonstrated by sigreturn_32 in the linux-clock-tests test suite.

See more information about CVE-2014-9090 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-2014-3107	2014-12-19
Oracle Linux version 5 (kernel-uek)	ELSA-2014-3108	2014-12-19
Oracle Linux version 5 (mlnx_en-2.6.32-400.36.13.el5uek)	ELSA-2014-3108	2014-12-19
Oracle Linux version 5 (ofa-2.6.32-400.36.13.el5uek)	ELSA-2014-3108	2014-12-19
Oracle Linux version 6 (dtrace-modules-3.8.13-55.1.2.el6uek)	ELSA-2014-3106	2014-12-19
Oracle Linux version 6 (kernel-uek)	ELSA-2014-3106	2014-12-19
Oracle Linux version 6 (kernel-uek)	ELSA-2014-3107	2014-12-19
Oracle Linux version 6 (kernel-uek)	ELSA-2014-3108	2014-12-19
Oracle Linux version 6 (mlnx_en-2.6.32-400.36.13.el6uek)	ELSA-2014-3108	2014-12-19
Oracle Linux version 6 (ofa-2.6.32-400.36.13.el6uek)	ELSA-2014-3108	2014-12-19
Oracle Linux version 7 (dtrace-modules-3.8.13-55.1.2.el7uek)	ELSA-2014-3106	2014-12-19
Oracle Linux version 7 (kernel-uek)	ELSA-2014-3106	2014-12-19