Markus Armbruster 7e62255a4b ccid: Fix buffer overrun in handling of VSC_ATR message
ATR size exceeding the limit is diagnosed, but then we merrily use it
anyway, overrunning card->atr[].

The message is read from a character device.  Obvious security
implications unless the other end of the character device is trusted.

Spotted by Coverity.  CVE-2011-4111.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-28 16:20:53 -06:00
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