Unrated severityNVD Advisory· Published May 9, 2011· Updated Apr 29, 2026
CVE-2011-1013
CVE-2011-1013
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.
Affected products
2Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
6- www.openbsd.org/cgi-bin/cvsweb/src/sys/dev/pci/drm/drm_irq.cnvdPatchThird Party Advisory
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingPatch
- www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38nvdRelease NotesVendor Advisory
- www.securityfocus.com/bid/47639nvdThird Party AdvisoryVDB Entry
- exchange.xforce.ibmcloud.com/vulnerabilities/67199nvdThird Party AdvisoryVDB Entry
- www.openbsd.org/cgi-bin/cvsweb/src/sys/dev/pci/drm/drm_irq.c.diffnvd
News mentions
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