CVE-2012-0044
HIGH severity · CVSS 7.8 · Integer overflow
7.8CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1.5 ↗
Additional information
- NVD record
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1.5Patch
- http://www.openwall.com/lists/oss-security/2012/01/12/1Patch
- http://www.ubuntu.com/usn/USN-1555-1Patch
- http://www.ubuntu.com/usn/USN-1556-1Patch
- https://bugzilla.redhat.com/show_bug.cgi?id=772894Patch
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a5cd335165e31db9dbab636fd29895d41da55dd2
- http://rhn.redhat.com/errata/RHSA-2012-0743.htmlAdvisory
- http://www.securityfocus.com/bid/51371Advisory