Integer overflow in Linux kernel - CVE-2012-0044

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Main Vulnerability Database Vulnerabilities #VU44071

Integer overflow in Linux kernel - CVE-2012-0044

Published: May 17, 2012 / Updated: August 11, 2020


Vulnerability identifier: #VU44071
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2012-0044
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local authenticated user to execute arbitrary code.

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.


Affected software

Linux kernel
Ubuntu
linux (Ubuntu package)
linux-image-2.6.32-347-ec2 (Ubuntu package)
linux-lts-backport-oneiric (Ubuntu package)

How to mitigate CVE-2012-0044

Install update from vendor's website.

Linux kernel - update to 3.1.5
linux (Ubuntu package) - addressed in versions 2.6.32-42.96, 3.0.0-15.26
linux-image-2.6.32-347-ec2 (Ubuntu package) - update to 2.6.32-347.53
linux-lts-backport-oneiric (Ubuntu package) - update to 3.0.0-15.25~lucid1

External References

Related Security Bulletins