CVE-2011-1013

CVE Details

Release Date:	2011-05-09
Impact:	Important	What is this?

Description

Integer signedness error in the drm_modeset_ctl function in (1) drivers/gpu/drm/drm_irq.c in the Direct Rendering Manager (DRM) subsystem in the Linux kernel before 2.6.38 and (2) sys/dev/pci/drm/drm_irq.c in the kernel in OpenBSD before 4.9 allows local users to trigger out-of-bounds write operations, and consequently cause a denial of service (system crash) or possibly have unspecified other impact, via a crafted num_crtcs (aka vb_num) structure member in an ioctl argument.

See more information about CVE-2011-1013 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:	7.2
Vector String:	AV:L/AC:L/Au:N/C:C/I:C/A:C
Version:	2.0
Attack Vector:	Local
Attack Complexity:	Low
Authentication:	None
Confidentiality Impact:	Complete
Integrity Impact:	Complete
Availability Impact:	Complete

Errata information

Platform	Errata	Release Date
Oracle Linux version 5 (kernel-uek)	ELSA-2011-2015	2011-05-11
Oracle Linux version 5 (ofa-2.6.32-100.28.15.el5)	ELSA-2011-2015	2011-05-11
Oracle Linux version 6 (kernel)	ELSA-2011-0498	2011-05-10
Oracle Linux version 6 (kernel-uek)	ELSA-2011-2015	2011-05-11