diff --git a/src/libraries/System.Diagnostics.Process/tests/ProcessStartInfoTests.cs b/src/libraries/System.Diagnostics.Process/tests/ProcessStartInfoTests.cs
index cb80e17b793fb..c062911def8b9 100644
--- a/src/libraries/System.Diagnostics.Process/tests/ProcessStartInfoTests.cs
+++ b/src/libraries/System.Diagnostics.Process/tests/ProcessStartInfoTests.cs
@@ -278,6 +278,7 @@ public void TestEnvironmentOfChildProcess()
         }
 
         [ConditionalFact(typeof(RemoteExecutor), nameof(RemoteExecutor.IsSupported))]
+        [ActiveIssue("https://github.com/dotnet/runtime/issues/76140", TestPlatforms.LinuxBionic)]
         public void EnvironmentGetEnvironmentVariablesIsCaseSensitive()
         {
             var caseSensitiveEnvVars = new Dictionary<string, string>(StringComparer.Ordinal)
@@ -301,6 +302,7 @@ public void EnvironmentGetEnvironmentVariablesIsCaseSensitive()
         }
 
         [ConditionalFact(typeof(RemoteExecutor), nameof(RemoteExecutor.IsSupported))]
+        [ActiveIssue("https://github.com/dotnet/runtime/issues/76140", TestPlatforms.LinuxBionic)]
         public void ProcessStartInfoEnvironmentDoesNotThrowForCaseSensitiveDuplicates()
         {
             var caseSensitiveEnvVars = new Dictionary<string, string>(StringComparer.Ordinal)
@@ -325,6 +327,7 @@ public void ProcessStartInfoEnvironmentDoesNotThrowForCaseSensitiveDuplicates()
         }
 
         [ConditionalFact(typeof(RemoteExecutor), nameof(RemoteExecutor.IsSupported))]
+        [ActiveIssue("https://github.com/dotnet/runtime/issues/76140", TestPlatforms.LinuxBionic)]
         public void ProcessStartInfoEnvironmentVariablesDoesNotThrowForCaseSensitiveDuplicates()
         {
             var caseSensitiveEnvVars = new Dictionary<string, string>(StringComparer.Ordinal)