Linux Kernel crm_crtc.c drm_mode_dirtyfb_ioctl numeric error

CVSS Meta Temp Score
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Linux Kernel. The affected element is the function drm_mode_dirtyfb_ioctl of the file drivers/gpu/drm/crm_crtc.c. This manipulation causes numeric error. The identification of this vulnerability is CVE-2012-0044. There is no exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability has been found in Linux Kernel (Operating System) (version now known) and classified as critical. Affected by this vulnerability is the function drm_mode_dirtyfb_ioctl of the file drivers/gpu/drm/crm_crtc.c. The manipulation with an unknown input leads to a numeric error vulnerability. The CWE definition for the vulnerability is CWE-189. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was shared 01/12/2012 as confirmed git commit (GIT Repository). The advisory is shared at git.kernel.org. This vulnerability is known as CVE-2012-0044 since 12/07/2011. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 68544 (Oracle Linux 6 : kernel (ELSA-2012-0743)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 120902 (Solaris 11 Support Repository Update (SRU) 6.6 Missing).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.

The vulnerability is also documented in the databases at X-Force (75724), Tenable (68544), SecurityFocus (BID 51371†), OSVDB (78227†) and Secunia (SA47486†). The entries VDB-59848 and VDB-59799 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.6
VulDB Meta Temp Score: 8.4

VulDB Base Score: 9.3
VulDB Temp Score: 8.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 68544
Nessus Name: Oracle Linux 6 : kernel (ELSA-2012-0743)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 881125
OpenVAS Name: CentOS Update for kernel CESA-2012:0743 centos6
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: git.kernel.org

Timelineinfo

12/07/2011 🔍
01/11/2012 +35 days 🔍
01/11/2012 +0 days 🔍
01/11/2012 +0 days 🔍
01/11/2012 +0 days 🔍
01/12/2012 +0 days 🔍
01/12/2012 +0 days 🔍
01/12/2012 +0 days 🔍
01/21/2012 +9 days 🔍
05/17/2012 +117 days 🔍
07/12/2013 +421 days 🔍
03/20/2021 +2808 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-0044 (🔍)
GCVE (CVE): GCVE-0-2012-0044
GCVE (VulDB): GCVE-100-4549

OVAL: 🔍

X-Force: 75724
SecurityFocus: 51371 - Linux Kernel DRM 'drivers/gpu/drm/crm_crtc.c' IOCTL Local Privilege Escalation Vulnerability
Secunia: 47486 - Linux Kernel DRM "drm_mode_dirtyfb_ioctl()" Integer Overflow Vulnerability, Less Critical
OSVDB: 78227
SecurityTracker: 1026511 - Linux Kernel drm_mode_dirtyfb_ioctl() Lets Local Users Gain Elevated Privileges
Vulnerability Center: 34207 - Linux Kernel 2.6.x Integer Overflow in \x27drm_mode_dirtyfb_ioctl()\x27 Allows Local Privileges Escalation, High

See also: 🔍

Entryinfo

Created: 01/21/2012 01:00
Updated: 03/20/2021 14:27
Changes: 01/21/2012 01:00 (75), 04/09/2017 13:20 (12), 03/20/2021 14:24 (13), 03/20/2021 14:27 (1)
Complete: 🔍
Cache ID: 216:DBE:103

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