X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=CryptoPkg%2FLibrary%2FBaseCryptLib%2FRand%2FCryptRandItc.c;h=dcc1853f136fb600d44e5676b89433819cd8734a;hp=881141cd087a4ebfc736d82bd278b7766a8d932e;hb=dda39f3a5850458391aaab330971d46bc9c2b690;hpb=a08dcb2ab16fbb496ff837d5c55c4cb22343aaa5

diff --git a/CryptoPkg/Library/BaseCryptLib/Rand/CryptRandItc.c b/CryptoPkg/Library/BaseCryptLib/Rand/CryptRandItc.c
index 881141cd08..dcc1853f13 100644
--- a/CryptoPkg/Library/BaseCryptLib/Rand/CryptRandItc.c
+++ b/CryptoPkg/Library/BaseCryptLib/Rand/CryptRandItc.c
@@ -41,6 +41,10 @@ RandomSeed (
 {
   CHAR8  DefaultSeed[128];
 
+  if (SeedSize > INT_MAX) {
+    return FALSE;
+  }
+
   //
   // Seed the pseudorandom number generator with user-supplied value.
   // NOTE: A cryptographic PRNG must be seeded with unpredictable data.
@@ -86,7 +90,7 @@ RandomBytes (
   //
   // Check input parameters.
   //
-  if (Output == NULL) {
+  if (Output == NULL || Size > INT_MAX) {
     return FALSE;
   }