crypto: ccp - Prevent information leakage on export

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commit f709b45ec4 upstream.

Prevent information from leaking to userspace by doing a memset to 0 of
the export state structure before setting the structure values and copying
it. This prevents un-initialized padding areas from being copied into the
export area.

Reported-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Tom Lendacky 2016-04-13 10:52:25 -05:00 • committed by Greg Kroah-Hartman

parent 72b847aa95

commit 1575fcd167

2 changed files with 6 additions and 0 deletions

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3

drivers/crypto/ccp/ccp-crypto-aes-cmac.c

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3

drivers/crypto/ccp/ccp-crypto-sha.c

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