libgcrypt: fix CVE-2019-12904
In Libgcrypt 1.8.4, the C implementation of AES is vulnerable to a
flush-and-reload side-channel attack because physical addresses are
available to other processes. (The C implementation is used on platforms
where an assembly-language implementation is unavailable.)
Reference:
https://nvd.nist.gov/vuln/detail/CVE-2019-12904
Patches from:
https://github.com/gpg/libgcrypt/commit/
1374254c2904ab5b18ba4a890856824a102d4705
https://github.com/gpg/libgcrypt/commit/
daedbbb5541cd8ecda1459d3b843ea4d92788762
https://github.com/gpg/libgcrypt/commit/
a4c561aab1014c3630bc88faf6f5246fee16b020
Signed-off-by: Yi Zhao <yi.zhao@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
