Integer overflow in the drm_mode_dirtyfb_ioctl function in drivers/gpu/drm/drm_crtc.c in…
Priority LOW 34CWE-190Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-190 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.00381 32nd percentileScored 2026-11-07
Fix Fixed Red Hat: 3 advisories
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
Red Hat 3 advisories
- RHSA-2012:1042 Released 2012-06-26 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Enterprise Linux Server EUS (v. 6.1) kernel-2.6.32-131.29.1.el6, kernel-bootwrapper-2.6.32-131.29.1.el6, kernel-debug-2.6.32-131.29.1.el6 +8
- RHSA-2012:0743 Released 2012-06-18 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Enterprise Linux Desktop (v. 6) kernel-2.6.32-220.23.1.el6, kernel-debug-2.6.32-220.23.1.el6, kernel-debug-devel-2.6.32-220.23.1.el6 +5
- 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
- Red Hat Enterprise Linux HPC Node (v. 6) kernel-2.6.32-220.23.1.el6, kernel-debug-2.6.32-220.23.1.el6, kernel-debug-devel-2.6.32-220.23.1.el6 +5
- 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
- Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-220.23.1.el6, kernel-bootwrapper-2.6.32-220.23.1.el6, kernel-debug-2.6.32-220.23.1.el6 +8
- 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
- Red Hat Enterprise Linux Workstation (v. 6) kernel-2.6.32-220.23.1.el6, kernel-debug-2.6.32-220.23.1.el6, kernel-debug-devel-2.6.32-220.23.1.el6 +5
- 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
- RHSA-2012:0333 Released 2012-02-23 · Red Hat rating Importantkernel-rt security and bug fix update
- Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt-3.0.18-rt34.53.el6rt, kernel-rt-debug-3.0.18-rt34.53.el6rt, kernel-rt-debug-devel-3.0.18-rt34.53.el6rt +7
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2012:0743 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2012:0743 |
| Red Hat Enterprise Linux HPC Node (v. 6) | Fixed | RHSA-2012:0743 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2012:0743 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2012:0743 |
| Red Hat Enterprise Linux Server EUS (v. 6.1) | Fixed | RHSA-2012:1042 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2012:0743 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2012:0743 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2012:0743 |
| Red Hat MRG Realtime for RHEL 6 Server v.2 | Fixed | RHSA-2012:0333 |
Not affected: 2 products
- Red Hat Enterprise Linux 4
- Red Hat Enterprise Linux 5
Timeline
- 2026-10-02 Threatist record created from CVE-2012-0044
- 2026-10-03 Alias added: GHSA-gq9f-9xmr-rc2q
References
Patch 6
- USN-1556-1
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1.5
- USN-1555-1
- [oss-security] 20120111 Re: CVE request - kernel: drm: integer overflow in drm_mode_dirtyfb_ioctl()
- https://bugzilla.redhat.com/show_bug.cgi?id=772894
- https://github.com/torvalds/linux/commit/a5cd335165e31db9dbab636fd29895d41da55dd2
Advisory 1
Sources
- CVE-2012-0044 · CVE Program
- CVE-2012-0044 · NVD
- FIRST EPSS
- GHSA-gq9f-9xmr-rc2q · GitHub Advisory Database · CC BY 4.0
- CVE-2012-0044 · Red Hat security data · CC BY 4.0
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