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ecryptfs: release message context on send failure

In the Linux kernel, the following vulnerability has been resolved: ecryptfs: release message context on send failure ecryptfs_send_message_locked() moves a message context from the free list to the allocated list before sending the request to the userspace daemon. If ecryptfs_send_miscdev() fails, the context is left on the allocated list and cannot be reused. Move it back to the free list on failure and clear the caller's pointer.

Affected products

Linux
  • <654b7e79443f5ea90849f5c1cf70c0d94bd5b10e
  • <2.6.26
  • <9319706316a8e79f374627554386d575a84b637f
  • =<7.2.*
  • ==2.6.26
  • <219644a3ad5518217b2d62cad6d2c36a2308c949
  • =<6.18.*
  • <47ce611cb13f0eefa550d5434c1afcd4217bfc3e
  • =<6.12.*
  • =<*