diff --git a/edk/Cper.c b/edk/Cper.c
index 2d2614d..0ccf08b 100644
--- a/edk/Cper.c
+++ b/edk/Cper.c
@@ -36,6 +36,12 @@
 EFI_GUID gEfiIommuDMArErrorSectionGuid      = { 0x036f84e1, 0x7f37, 0x428c, { 0xa7, 0x9e, 0x57, 0x5f, 0xdf, 0xaa, 0x84, 0xec }};
 EFI_GUID gEfiCcixPerLogErrorSectionGuid     = { 0x91335EF6, 0xEBFB, 0x4478, {0xA6, 0xA6, 0x88, 0xB7, 0x28, 0xCF, 0x75, 0xD7 }};
 EFI_GUID gEfiCxlProtocolErrorSectionGuid    = { 0x80B9EFB4, 0x52B5, 0x4DE3, { 0xA7, 0x77, 0x68, 0x78, 0x4B, 0x77, 0x10, 0x48 }};
+EFI_GUID gEfiCxlGeneralMediaErrorSectionGuid = { 0xfbcd0a77, 0xc260, 0x417f, { 0x85, 0xa9, 0x08, 0x8b, 0x16, 0x21, 0xeb, 0xa6 }};
+EFI_GUID gEfiCxlDramEventErrorSectionGuid = { 0x601dcbb3, 0x9c06, 0x4eab, { 0xb8, 0xaf, 0x4e, 0x9b, 0xfb, 0x5c, 0x96, 0x24 }};
+EFI_GUID gEfiCxlMemoryModuleErrorSectionGuid = { 0xfe927475, 0xdd59, 0x4339, { 0xa5, 0x86, 0x79, 0xba, 0xb1, 0x13, 0xb7, 0x74 }};
+EFI_GUID gEfiCxlPhysicalSwitchErrorSectionGuid = { 0x77cf9271, 0x9c02, 0x470b, { 0x9f, 0xe4, 0xbc, 0x7b, 0x75, 0xf2, 0xda, 0x97 }};
+EFI_GUID gEfiCxlVirtualSwitchErrorSectionGuid = { 0x40d26425, 0x3396, 0x4c4d, { 0xa5, 0xda, 0x3d, 0x47, 0x26, 0x3a, 0xf4, 0x25 }};
+EFI_GUID gEfiCxlMldPortErrorSectionGuid = { 0x8dc44363, 0x0c96, 0x4710, { 0xb7, 0xbf, 0x04, 0xbb, 0x99, 0x53, 0x4c, 0x3f }};
 
 //IA32/x64 error segment GUIDs.
 EFI_GUID gEfiIa32x64ErrorTypeCacheCheckGuid = { 0xA55701F5, 0xE3EF, 0x43de, {0xAC, 0x72, 0x24, 0x9B, 0x57, 0x3F, 0xAD, 0x2C } };
diff --git a/edk/Cper.h b/edk/Cper.h
index 5a6d2b2..0fcc967 100644
--- a/edk/Cper.h
+++ b/edk/Cper.h
@@ -1266,6 +1266,12 @@
 extern EFI_GUID   gEfiIommuDMArErrorSectionGuid;
 extern EFI_GUID   gEfiCcixPerLogErrorSectionGuid;
 extern EFI_GUID   gEfiCxlProtocolErrorSectionGuid;
+extern EFI_GUID   gEfiCxlGeneralMediaErrorSectionGuid;
+extern EFI_GUID   gEfiCxlDramEventErrorSectionGuid;
+extern EFI_GUID   gEfiCxlMemoryModuleErrorSectionGuid;
+extern EFI_GUID   gEfiCxlPhysicalSwitchErrorSectionGuid;
+extern EFI_GUID   gEfiCxlVirtualSwitchErrorSectionGuid;
+extern EFI_GUID   gEfiCxlMldPortErrorSectionGuid;
 #pragma pack()
 
 #if defined (MDE_CPU_IA32) || defined (MDE_CPU_X64)