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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2011-05-09T19:00:00

Updated: 2024-08-06T22:14:27.343Z

Reserved: 2011-02-14T00:00:00

Link: CVE-2011-1013

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2011-05-09T19:55:02.257

Modified: 2023-02-13T01:18:42.877

Link: CVE-2011-1013

cve-icon Redhat

Severity : Important

Publid Date: 2011-02-22T00:00:00Z

Links: CVE-2011-1013 - Bugzilla