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(parent: d3481ac) | patch
crypto: rsa-pkcs1pad - fix buffer overread in pkcs1pad_verify_complete()
authorEric Biggers <ebiggers@google.com>
Wed, 19 Jan 2022 00:13:05 +0000 (16:13 -0800)
committerHerbert Xu <herbert@gondor.apana.org.au>
Mon, 31 Jan 2022 00:21:44 +0000 (11:21 +1100)
commita24611ea356c7f3f0ec926da11b9482ac1f414fd
tree0036f840ac3d82bef06c15abefac3ca522d31462tree | snapshot
parentd3481accd974541e6a5d6a1fb588924a3519c36ecommit | diff
crypto: rsa-pkcs1pad - fix buffer overread in pkcs1pad_verify_complete()

Before checking whether the expected digest_info is present, we need to
check that there are enough bytes remaining.

Fixes: a49de377e051 ("crypto: Add hash param to pkcs1pad")
Cc: <stable@vger.kernel.org> # v4.6+
Cc: Tadeusz Struk <tadeusz.struk@linaro.org>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
crypto/rsa-pkcs1pad.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git