CVE-2011-1013 Integer overflow in n/a
Local attackers can trigger out-of-bounds writes in the Linux kernel DRM subsystem via crafted ioctl arguments, causing system crashes or potential code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2011-1013?
CVE-2011-1013 is a high-severity vulnerability in Linux kernel, published on 9 May 2011. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-787
Which versions are affected by CVE-2011-1013?
It affects 2 products.
Products include Linux kernel, Openbsd Openbsd.
How do I fix CVE-2011-1013?
Apply the vendor's patch.
Is CVE-2011-1013 being exploited?
There is no known exploitation of CVE-2011-1013 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as GHSA-xcm2-p2fv-cfg9.