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CVE Database

CVE-2012-0044

Impact: Important
Public: 2011-11-23
Bugzilla: 772894: CVE-2012-0044 kernel: drm: integer overflow in drm_mode_dirtyfb_ioctl()

Details

The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2012-0044 from the MITRE CVE dictionary and NIST NVD.

Statement

This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 4 and 5 as they did not backport commit 884840aa that introduced this issue.

CVSS v2 metrics

Base Score: 6.9
Base Metrics: AV:L/AC:M/Au:N/C:C/I:C/A:C
Access Vector: Local
Access Complexity: Medium
Authentication: None
Confidentiality Impact: Complete
Integrity Impact: Complete
Availability Impact: Complete

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat security errata

Platform Errata Release Date
MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2012:0333 February 23, 2012
Red Hat Enterprise Linux Server EUS (v. 6.1) (kernel) RHSA-2012:1042 June 26, 2012
Red Hat Enterprise Linux version 6 (kernel) RHSA-2012:0743 June 18, 2012

External References

Acknowledgements

Red Hat would like to thank Chen Haogang for reporting this issue.

This page is generated automatically and has not been checked for errors or omissions.

For clarification or corrections please contact the Red Hat Security Response Team.