There are a few places where the RX/TX key for a TLS socket is copied to kernel memory. This series clears those memory areas when they're no longer needed.
v2: add union tls_crypto_context, following Vakul Garg's comment swap patch 2 and 3, using new union in patch 3 Sabrina Dubroca (3): tls: don't copy the key out of tls12_crypto_info_aes_gcm_128 tls: zero the crypto information from tls_context before freeing tls: clear key material from kernel memory when do_tls_setsockopt_conf fails include/net/tls.h | 19 +++++++++---------- net/tls/tls_device.c | 6 +++--- net/tls/tls_device_fallback.c | 2 +- net/tls/tls_main.c | 22 ++++++++++++++++------ net/tls/tls_sw.c | 13 +++++-------- 5 files changed, 34 insertions(+), 28 deletions(-) -- 2.18.0