CVE-2011-1013
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.
- Score
- CVSS 2.0 7.2 High
- Status
- Modified - secalert@redhat.com
- Published
- 2011-05-09
- Last modified
- 2024-08-06
- Weaknesses
- CWE-787
Affected products
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1922756124ddd53846877416d92ba4a802bc658f
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38
- http://www.openbsd.org/cgi-bin/cvsweb/src/sys/dev/pci/drm/drm_irq.c
- http://www.openbsd.org/cgi-bin/cvsweb/src/sys/dev/pci/drm/drm_irq.c.diff?r1=1.41%3Br2=1.42%3Bf=h
- http://www.securityfocus.com/bid/47639
- https://bugzilla.redhat.com/show_bug.cgi?id=679925
- https://exchange.xforce.ibmcloud.com/vulnerabilities/67199
