CVE-2011-1013
High
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.
SeverityHigh
CVSS7.2
Exploit probability—
Product
Linux Kernel
PublishedMay 9, 2011
First seenMay 9, 2011
How to fix
Update
- linux linux_kernel2.6.38 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 2.6.38 | 2.6.38 |
| openbsd openbsd | v ≤ 4.8 | — |
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