Integer overflow in Linux kernel - CVE-2012-0044
Published: May 17, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU44071
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2012-0044
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
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.
How to mitigate CVE-2012-0044
Install update from vendor's website.
Sources
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a5cd335165e31db9dbab636fd29895d41da55dd2
- http://rhn.redhat.com/errata/RHSA-2012-0743.html
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1.5
- http://www.openwall.com/lists/oss-security/2012/01/12/1
- http://www.securityfocus.com/bid/51371
- http://www.ubuntu.com/usn/USN-1555-1
- http://www.ubuntu.com/usn/USN-1556-1
- https://bugzilla.redhat.com/show_bug.cgi?id=772894
- https://github.com/torvalds/linux/commit/a5cd335165e31db9dbab636fd29895d41da55dd2