Red Hat Security Advisory 2011-1350-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Flaws in the AGPGART driver implementation when handling certain IOCTL commands could allow a local user to cause a denial of service or escalate their privileges. An integer overflow flaw in agp_allocate_memory() could allow a local user to cause a denial of service or escalate their privileges.
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