CVE-2012-0044
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 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 |
|---|---|---|
| Red Hat Enterprise Linux Server EUS (v. 6.1) (kernel) | RHSA-2012:1042 | 2012-06-26 |
| Red Hat Enterprise Linux 6 (kernel) | RHSA-2012:0743 | 2012-06-18 |
| Red Hat MRG Grid for RHEL 6 Server v.2 (kernel-rt) | RHSA-2012:0333 | 2012-02-23 |
Affected Packages State
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise MRG 2 | realtime-kernel | Affected |
| Red Hat Enterprise Linux 5 | kernel | Not affected |
| Red Hat Enterprise Linux 4 | kernel | Not affected |
Acknowledgements
Red Hat would like to thank Chen Haogang for reporting this issue.CVE description copyright © 2017, The MITRE Corporation