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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2021-09-08 08:33:57 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-11-18 16:03:38 +0300 |
| commit | dd189feebaf83849d220fefa39a1c2bfdbcd4406 (patch) | |
| tree | b8ee839d3628fe222f73828ec3a7b88ed05a2f4b /drivers/base | |
| parent | 32498b8889c8d1f9b2b67f4e43e017c63359b03e (diff) | |
| download | linux-dd189feebaf83849d220fefa39a1c2bfdbcd4406.tar.xz | |
tpm: Check for integer overflow in tpm2_map_response_body()
commit a0bcce2b2a169e10eb265c8f0ebdd5ae4c875670 upstream.
The "4 * be32_to_cpu(data->count)" multiplication can potentially
overflow which would lead to memory corruption. Add a check for that.
Cc: stable@vger.kernel.org
Fixes: 745b361e989a ("tpm: infrastructure for TPM spaces")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/base')
0 files changed, 0 insertions, 0 deletions