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CVE-2011-1013

22
FAUCET Score

CVE-2011-1013 describes an integer signedness error in the Direct Rendering Manager (DRM) subsystem of the Linux kernel (before 2.6.38) and OpenBSD (before 4.9). This flaw allows a local attacker to trigger out-of-bounds write operations through a crafted ioctl argument, leading to a denial of service (system crash) or potentially other unspecified impacts. With a CVSS score of 7.2, this vulnerability is considered highly severe due to its local attack vector and complete impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.6.38CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
<= 4.8CPE matchmatch criteria
cpe:2.3:o:openbsd:openbsd:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.2HIGH

AV:L/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.41%
Probability of exploitation in next 30 days
EPSS Percentile
33.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0041 is in the 46th percentile among its peer group of 3,237 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.5 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: MRG for RHEL-5Fixed in: kernel-rt-0:2.6.33.9-rt31.64.el5rt
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kernel-0:2.6.32-71.29.1.el6
View patch

Vendor Advisories (1)

redhatCVE-2011-1013Important

kernel: drm_modeset_ctl signedness issue

Feb 22, 2011

References

git.kernel.org
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatch
exchange.xforce.ibmcloud.com / vulnerabilities/67199
Third Party AdvisoryVDB Entry
kernel.org / pub/linux/kernel/v2.6/ChangeLog-2.6.38
Release NotesVendor Advisory
openbsd.org / cgi-bin/cvsweb/src/sys/dev/pci/drm/drm_irq.c
PatchThird Party Advisory
openbsd.org / cgi-bin/cvsweb/src/sys/dev/pci/drm/drm_irq.c.diff
securityfocus.com / bid/47639
Third Party AdvisoryVDB Entry