Privilege Escalation

kernel is vulnerable to privilege escalation. A local, unprivileged user could use an integer overflow flaw in drmmodedirtyfbioctl to cause a denial of service or escalate their privileges...

Integer overflow

Integer overflow in the drmmodedirtyfbioctl function in drivers/gpu/drm/drmcrtc.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...