CVE-2012-0044 - Achievable Reduction

Description

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.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

http://www.openwall.com/lists/oss-security/2012/01/12/1 https://bugzilla.redhat.com/show_bug.cgi?id=772894 https://github.com/torvalds/linux/commit/a5cd335165e31db9dbab636fd29895d41da55dd2 http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a5cd335165e31db9dbab636fd29895d41da55dd2 http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1.5 http://rhn.redhat.com/errata/RHSA-2012-0743.html http://www.securityfocus.com/bid/51371 http://www.ubuntu.com/usn/USN-1556-1 http://www.ubuntu.com/usn/USN-1555-1

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8