Integer overflow in the drm_mode_dirtyfb_ioctl function in drivers/gpu/drm/drm_crtc.c in the Direct Rendering Manager (DRM) subsystem in th…

published 2012-05-17 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-0084

cvss: 7.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 32%
public exploits: 0; none known

Integer overflow in the drm_mode_dirtyfb_ioctl function in drivers/gpu/drm/drm_crtc.c in the Direct Rendering Manager (DRM) subsystem in the Linux kernel before 3.1.5 allows local users to gain privileges or cause a denial of service (memory corruption) via a crafted ioctl call.

Patch / fix

fixed in 1 distros 1 links 6

linux linux_kernel 3.0.13, 3.1.5

kernel RHEL 6 2.6.32-220.23.1.el6
perf RHEL 6 2.6.32-220.23.1.el6
python-perf RHEL 6 2.6.32-220.23.1.el6
kernel-kdump RHEL 6 2.6.32-220.23.1.el6
kernel-firmware RHEL 6 2.6.32-220.23.1.el6
kernel-bootwrapper RHEL 6 2.6.32-220.23.1.el6
kernel-debuginfo-common-i686 RHEL 6 2.6.32-220.23.1.el6
kernel-debuginfo-common-ppc64 RHEL 6 2.6.32-220.23.1.el6

red hat advisories RHSA-2012:0743 RHSA-2012:1042 RHSA-2012:0333

github.com/torvalds/linux@a5cd335 commit
ubuntu.com/usn/USN-1556-1 advisory
ubuntu.com/usn/USN-1555-1 advisory
kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1.5 advisory
openwall.com/lists/oss-security/2012/01/12/1 advisory
bugzilla.redhat.com/show_bug.cgi?id=772894 advisory

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2012-0044 updated 2026-11-04 cvss 6.9

kernel: drm: integer overflow in drm_mode_dirtyfb_ioctl()

Red Hat Enterprise Linux Desktop (v. 6) perf 2.6.32-220.23.1.el6, kernel 2.6.32-220.23.1.el6, kernel-firmware 2.6.32-220.23.1.el6, kernel-debuginfo-common-i686 2.6.32-220.23.1.el6, kernel-debuginfo-common-x86_64 2.6.32-220.23.1.el6 Red Hat Enterprise Linux Desktop Optional (v. 6) kernel 2.6.32-220.23.1.el6, python-perf 2.6.32-220.23.1.el6, kernel-debuginfo-common-i686 2.6.32-220.23.1.el6, kernel-debuginfo-common-x86_64 2.6.32-220.23.1.el6 Red Hat Enterprise Linux HPC Node (v. 6) perf 2.6.32-220.23.1.el6, kernel 2.6.32-220.23.1.el6, kernel-firmware 2.6.32-220.23.1.el6, kernel-debuginfo-common-x86_64 2.6.32-220.23.1.el6 Red Hat Enterprise Linux HPC Node Optional (v. 6) kernel 2.6.32-220.23.1.el6, python-perf 2.6.32-220.23.1.el6, kernel-debuginfo-common-x86_64 2.6.32-220.23.1.el6 Red Hat Enterprise Linux Server (v. 6) perf 2.6.32-220.23.1.el6, kernel 2.6.32-220.23.1.el6, kernel-kdump 2.6.32-220.23.1.el6, kernel-firmware 2.6.32-220.23.1.el6, kernel-bootwrapper 2.6.32-220.23.1.el6, kernel-debuginfo-common-i686 2.6.32-220.23.1.el6, +3 more
fixed: vendor fix RHSA-2012:0743
Red Hat Enterprise Linux Server EUS (v. 6.1) perf 2.6.32-131.29.1.el6, kernel 2.6.32-131.29.1.el6, kernel-kdump 2.6.32-131.29.1.el6, kernel-firmware 2.6.32-131.29.1.el6, kernel-bootwrapper 2.6.32-131.29.1.el6, kernel-debuginfo-common-i686 2.6.32-131.29.1.el6, +3 more
fixed: vendor fix RHSA-2012:1042
Red Hat Enterprise Linux Server Optional (v. 6) kernel 2.6.32-220.23.1.el6, python-perf 2.6.32-220.23.1.el6, kernel-debuginfo-common-i686 2.6.32-220.23.1.el6, kernel-debuginfo-common-ppc64 2.6.32-220.23.1.el6, kernel-debuginfo-common-s390x 2.6.32-220.23.1.el6, kernel-debuginfo-common-x86_64 2.6.32-220.23.1.el6 Red Hat Enterprise Linux Workstation (v. 6) perf 2.6.32-220.23.1.el6, kernel 2.6.32-220.23.1.el6, kernel-firmware 2.6.32-220.23.1.el6, kernel-debuginfo-common-i686 2.6.32-220.23.1.el6, kernel-debuginfo-common-x86_64 2.6.32-220.23.1.el6 Red Hat Enterprise Linux Workstation Optional (v. 6) kernel 2.6.32-220.23.1.el6, python-perf 2.6.32-220.23.1.el6, kernel-debuginfo-common-i686 2.6.32-220.23.1.el6, kernel-debuginfo-common-x86_64 2.6.32-220.23.1.el6
fixed: vendor fix RHSA-2012:0743
Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt 3.0.18-rt34.53.el6rt, kernel-rt-trace 3.0.18-rt34.53.el6rt, kernel-rt-vanilla 3.0.18-rt34.53.el6rt, kernel-rt-firmware 3.0.18-rt34.53.el6rt, kernel-rt-debuginfo-common-x86_64 3.0.18-rt34.53.el6rt
fixed: vendor fix RHSA-2012:0333
Red Hat Enterprise Linux 4 kernel Red Hat Enterprise Linux 5 kernel
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.2	AV:L/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness

CWE-190 Integer Overflow or Wraparound

Technology feeds

Linux kernel rss critical rss

References

github.com /torvalds/linux/commit/a5cd335165e31db9dbab636fd29895d41da55dd2
patch, third-party-advisory
ubuntu.com /usn/USN-1556-1
vendor-advisory, patch, third-party-advisory
ubuntu.com /usn/USN-1555-1
vendor-advisory, patch, third-party-advisory
kernel.org /pub/linux/kernel/v3.x/ChangeLog-3.1.5
mailing-list, patch, vendor-advisory
openwall.com /lists/oss-security/2012/01/12/1
mailing-list, patch, third-party-advisory
bugzilla.redhat.com /show_bug.cgi?id=772894
issue-tracking, patch, third-party-advisory
rhn.redhat.com /errata/RHSA-2012-0743.html
vendor-advisory, third-party-advisory
securityfocus.com /bid/51371
vdb-entry, third-party-advisory
git.kernel.org /?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a5cd335165e31db9dbab636fd29895d41da55dd2

Sources

CVE List CVE-2012-0044
NVD CVE-2012-0044

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary