CVE-2011-1013

kernel: drm_modeset_ctl signedness issue

Published May 9, 2011 CVSS 2.0 · 7.2 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2011-1030 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.
Ubuntu USN Ubuntu USN USN-1141-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-1159-1 Linux kernel vulnerabilities (Marvell Dove)
Ubuntu USN Ubuntu USN USN-1160-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-1162-1 Linux kernel vulnerabilities (Marvell Dove)
Ubuntu USN Ubuntu USN USN-1187-1 Linux kernel (Maverick backport) vulnerabilities
Ubuntu USN Ubuntu USN USN-1202-1 Linux kernel (OMAP4) vulnerabilities
Ubuntu USN Ubuntu USN USN-1204-1 Linux kernel (i.MX51) vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 6, 2024, 10:14 PM
Reserved
Feb 14, 2011, 12:00 AM
Status
Modified
Published
May 9, 2011, 7:55 PM
Modified
Jun 16, 2026, 11:28 PM
Severity
Important
Public date
Feb 22, 2011, 12:00 AM