diff --git a/src/libraries/Common/tests/TestUtilities/System/PlatformDetection.cs b/src/libraries/Common/tests/TestUtilities/System/PlatformDetection.cs
index aaa85840679da..27042345397ba 100644
--- a/src/libraries/Common/tests/TestUtilities/System/PlatformDetection.cs
+++ b/src/libraries/Common/tests/TestUtilities/System/PlatformDetection.cs
@@ -243,7 +243,7 @@ private static bool GetAlpnSupport()
 
         public static bool SupportsAlpn => s_supportsAlpn.Value;
         public static bool SupportsClientAlpn => SupportsAlpn || IsOSX || IsMacCatalyst || IsiOS || IstvOS;
-        public static bool SupportsHardLinkCreation => !IsAndroid;
+        public static bool SupportsHardLinkCreation => !IsAndroid && !IsLinuxBionic;
 
         private static readonly Lazy<bool> s_supportsTls10 = new Lazy<bool>(GetTls10Support);
         private static readonly Lazy<bool> s_supportsTls11 = new Lazy<bool>(GetTls11Support);
diff --git a/src/libraries/System.Formats.Tar/tests/TarReader/TarReader.TarEntry.ExtractToFile.Tests.Unix.cs b/src/libraries/System.Formats.Tar/tests/TarReader/TarReader.TarEntry.ExtractToFile.Tests.Unix.cs
index 361a85a95bcec..fee4da56fa7c9 100644
--- a/src/libraries/System.Formats.Tar/tests/TarReader/TarReader.TarEntry.ExtractToFile.Tests.Unix.cs
+++ b/src/libraries/System.Formats.Tar/tests/TarReader/TarReader.TarEntry.ExtractToFile.Tests.Unix.cs
@@ -9,7 +9,7 @@ namespace System.Formats.Tar.Tests
 {
     public partial class TarReader_TarEntry_ExtractToFile_Tests : TarTestsBase
     {
-        [PlatformSpecific(TestPlatforms.AnyUnix & ~TestPlatforms.tvOS)] // https://github.com/dotnet/runtime/issues/68360
+        [PlatformSpecific(TestPlatforms.AnyUnix & ~TestPlatforms.tvOS & ~TestPlatforms.LinuxBionic)] // https://github.com/dotnet/runtime/issues/68360
         [ConditionalFact(nameof(IsUnixButNotSuperUser))]
         public void SpecialFile_Unelevated_Throws()
         {
diff --git a/src/libraries/System.Formats.Tar/tests/TarReader/TarReader.TarEntry.ExtractToFileAsync.Tests.Unix.cs b/src/libraries/System.Formats.Tar/tests/TarReader/TarReader.TarEntry.ExtractToFileAsync.Tests.Unix.cs
index 2e36ad85b76e5..3fff936fd125d 100644
--- a/src/libraries/System.Formats.Tar/tests/TarReader/TarReader.TarEntry.ExtractToFileAsync.Tests.Unix.cs
+++ b/src/libraries/System.Formats.Tar/tests/TarReader/TarReader.TarEntry.ExtractToFileAsync.Tests.Unix.cs
@@ -9,7 +9,7 @@ namespace System.Formats.Tar.Tests
 {
     public partial class TarReader_TarEntry_ExtractToFileAsync_Tests : TarTestsBase
     {
-        [PlatformSpecific(TestPlatforms.AnyUnix & ~TestPlatforms.tvOS)] // https://github.com/dotnet/runtime/issues/68360
+        [PlatformSpecific(TestPlatforms.AnyUnix & ~TestPlatforms.tvOS & ~TestPlatforms.LinuxBionic)] // https://github.com/dotnet/runtime/issues/68360
         [ConditionalFact(nameof(IsUnixButNotSuperUser))]
         public async Task SpecialFile_Unelevated_Throws_Async()
         {