Fixes #4683 -- fixed linux kernel version that has getrandom (#4684)
diff --git a/docs/hazmat/backends/openssl.rst b/docs/hazmat/backends/openssl.rst
index 52aeeaf..07ae74a 100644
--- a/docs/hazmat/backends/openssl.rst
+++ b/docs/hazmat/backends/openssl.rst
@@ -106,7 +106,7 @@
+------------------------------------------+------------------------------+
| Windows | ``CryptGenRandom()`` |
+------------------------------------------+------------------------------+
-| Linux >= 3.4.17 with working | ``getrandom(GRND_NONBLOCK)`` |
+| Linux >= 3.17 with working | ``getrandom(GRND_NONBLOCK)`` |
| ``SYS_getrandom`` syscall | |
+------------------------------------------+------------------------------+
| OpenBSD >= 5.6 | ``getentropy()`` |
diff --git a/src/_cffi_src/openssl/src/osrandom_engine.c b/src/_cffi_src/openssl/src/osrandom_engine.c
index 315d5f1..697381c 100644
--- a/src/_cffi_src/openssl/src/osrandom_engine.c
+++ b/src/_cffi_src/openssl/src/osrandom_engine.c
@@ -4,7 +4,7 @@
* macOS >= 10.12 getentropy()
* OpenBSD 5.6+ getentropy()
* other BSD getentropy() if SYS_getentropy is defined
- * Linux 3.4.17+ getrandom() with fallback to /dev/urandom
+ * Linux 3.17+ getrandom() with fallback to /dev/urandom
* other /dev/urandom with cached fd
*
* The /dev/urandom, getrandom and getentropy code is derived from Python's
diff --git a/src/_cffi_src/openssl/src/osrandom_engine.h b/src/_cffi_src/openssl/src/osrandom_engine.h
index e7a55c5..53f957f 100644
--- a/src/_cffi_src/openssl/src/osrandom_engine.h
+++ b/src/_cffi_src/openssl/src/osrandom_engine.h
@@ -41,7 +41,7 @@
* to urandom */
#define CRYPTOGRAPHY_OSRANDOM_ENGINE CRYPTOGRAPHY_OSRANDOM_ENGINE_GETENTROPY
#elif defined(__linux__) && defined(SYS_getrandom)
- /* Linux 3.4.17+ */
+ /* Linux 3.17+ */
#define CRYPTOGRAPHY_OSRANDOM_ENGINE CRYPTOGRAPHY_OSRANDOM_ENGINE_GETRANDOM
#else
/* Keep this as last entry, fall back to /dev/urandom */
