Red Hat Security Advisory 2013-0928-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way the vhost kernel module handled descriptors that spanned multiple regions. A privileged guest user in a KVM guest could use this flaw to crash the host or, potentially, escalate their privileges on the host.
1ad26616fc364b191167c6388801cd7215206c00055b03e985d94de46d251e6aRed Hat Security Advisory 2013-0882-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way the vhost kernel module handled descriptors that spanned multiple regions. A privileged guest user in a KVM guest could use this flaw to crash the host or, potentially, escalate their privileges on the host.
43d73db1f21655d27f27accef38ee47638229ca88b3abd0e8748d5cc1d891f5dRed Hat Security Advisory 2013-0622-01 - The kernel-rt packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way file permission checks for the "/dev/cpu/[x]/msr" files were performed in restricted root environments. A local user with the ability to write to these files could use this flaw to escalate their privileges to kernel level, for example, by writing to the SYSENTER_EIP_MSR register.
7b4d8f9b0aedc3ba78789f88554003b14e864d9333c5630695e6d2130b83ca4fRed Hat Security Advisory 2013-0579-01 - The rhev-hypervisor6 package provides a Red Hat Enterprise Virtualization Hypervisor ISO disk image. The Red Hat Enterprise Virtualization Hypervisor is a dedicated Kernel-based Virtual Machine hypervisor. It includes everything necessary to run and manage virtual machines: A subset of the Red Hat Enterprise Linux operating environment and the Red Hat Enterprise Virtualization Agent. Note: Red Hat Enterprise Virtualization Hypervisor is only available for the Intel 64 and AMD64 architectures with virtualization extensions. A flaw was found in the way the vhost kernel module handled descriptors that spanned multiple regions. A privileged guest user could use this flaw to crash the host or, potentially, escalate their privileges on the host.
07b3be05c32276a8368c1cdb50a625aa7b0ac9df2f22b1741885f260c9ffa053Red Hat Security Advisory 2013-0496-02 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A race condition was found in the way asynchronous I/O and fallocate() interacted when using the ext4 file system. A local, unprivileged user could use this flaw to expose random data from an extent whose data blocks have not yet been written, and thus contain data from a deleted file.
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