Buffer overflow in Linux Kernel
CVE-2011-1013
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.2 (High). Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.004 (32.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- exchange.xforce.ibmcloud.com/vulnerabilities/67199 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securityfocus.com/bid/47639 (VDB Entry, Third Party Advisory, vdb-entry)
- bugzilla.redhat.com/show_bug.cgi (Patch, Issue Tracking)
- www.openbsd.org/cgi-bin/cvsweb/src/sys/dev/pci/drm/drm_irq.c.diff
- www.openbsd.org/cgi-bin/cvsweb/src/sys/dev/pci/drm/drm_irq.c (Patch, Third Party Advisory)
- www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38 (Release Notes, Vendor Advisory)
- git.kernel.org/
Frequently asked questions
- What is CVE-2011-1013?
- CVE-2011-1013 is a vulnerability in Linux Kernel, classified under Out-of-bounds Write. Published 2011-05-09.
- Is CVE-2011-1013 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.