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kernel: unfiltered netdev rio_ioctl access by users

Package(s):kernel CVE #(s):CVE-2012-2313
Created:May 14, 2012 Updated:December 19, 2012
Description: From the Red Hat bugzilla:

The dl2k driver's rio_ioctl call has a few issues:

  • - No permissions checking
  • - Implements SIOCGMIIREG and SIOCGMIIREG using the SIOCDEVPRIVATE numbers
  • - Has a few ioctls that may have been used for debugging at one point but have no place in the kernel proper.
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