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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2015-04-21 10:46:49 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2015-04-22 09:30:21 +0800 |
| commit | 866a50cce1f2f8f56910b4a4168f019eef9dac7e (patch) | |
| tree | 44c9815ef5fc3e89a5f9000df66d5c2220f7a5fd /crypto/rng.c | |
| parent | de17ed444a2c6081f62bfb436d3dbe6a7ddd7db1 (diff) | |
| download | linux-crypto-866a50cce1f2f8f56910b4a4168f019eef9dac7e.tar.gz linux-crypto-866a50cce1f2f8f56910b4a4168f019eef9dac7e.zip | |
crypto: rng - Zero seed in crypto_rng_reset
If we allocate a seed on behalf ot the user in crypto_rng_reset,
we must ensure that it is zeroed afterwards or the RNG may be
compromised.
Reported-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to '')
| -rw-r--r-- | crypto/rng.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/crypto/rng.c b/crypto/rng.c index 055e2764..13155058 100644 --- a/crypto/rng.c +++ b/crypto/rng.c @@ -53,7 +53,7 @@ int crypto_rng_reset(struct crypto_rng *tfm, const u8 *seed, unsigned int slen) err = crypto_rng_alg(tfm)->seed(tfm, seed, slen); - kfree(buf); + kzfree(buf); return err; } EXPORT_SYMBOL_GPL(crypto_rng_reset); |