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Summary Tables of Changes
Specification Update 19
Errata Summary Table
Table 11. Errata Summary Table
ID
Processor Line / Stepping
Status Title
Y U H S X
H0 H0
3
H0 H0
3
J1
23e
Y0
42
B0 B0/
S0
B0
KBL001 X X X X X X X X X No Fix
Reported Memory Type May Not Be Used to Access
the VMCS and Referenced Data Structures
KBL002 X X X X X X X X X No Fix
Instruction Fetch May Cause Machine Check if Page
Size and Memory Type Was Changed Without
Invalidation
KBL003 X X X X X X X X X No Fix
Execution of VAESIMC or VAESKEYGENASSIST With
An Illegal Value for VEX.vvvv May Produce a #NM
Exception
KBL004 X X X X X X X X X No Fix
The Corrected Error Count Overflow Bit in IA32_
MC0_STATUS is Not Updated When The UC Bit is Set
KBL005 X X X X X X X X X No Fix
VM Exit May Set IA32_EFER.NXE When
IA32_MISC_ENABLE Bit 34 is Set to 1
KBL006 X X X X X X X X X No Fix
SMRAM State-Save Area Above the 4GB Boundary
May Cause Unpredictable System Behavior
KBL007 X X X X X X X X X No Fix
x87 FPU Exception (#MF) May be Signaled Earlier
Than Expected
KBL008 X X X X X X X X X No Fix
Incorrect FROM_IP Value For an RTM Abort in BTM or
BTS May be Observed
KBL009 X X X X X X X X X No Fix
DR6 Register May Contain an Incorrect Value When a
MOV to SS or POP SS Instruction is Followed by an
XBEGIN Instruction
KBL010 X X X X X X X X X No Fix
Opcode Bytes F3 0F BC May Execute As TZCNT Even
When TZCNT Not Enumerated by CPUID
KBL011 X X X X X X X X X No Fix
#GP on Segment Selector Descriptor that Straddles
Canonical Boundary May Not Provide Correct
Exception Error Code
KBL012 X X X X X X X X X No Fix The SMSW Instruction May Execute Within an Enclave
KBL013 X X X X X X X X X No Fix
WRMSR to IA32_BIOS_UPDT_TRIG Concurrent With
an SMX SENTER/SEXIT May Result in a System Hang
KBL014 X X X X X X X X X No Fix Intel® PT TIP.PGD May Not Have Target IP Payload
KBL015 X X X X X X X X X No Fix
Operand-Size Override Prefix Causes 64-bit Operand
Form of MOVBE Instruction to Cause a #UD
KBL016 X X X X X X X X X No Fix
Execution of FXSAVE or FXRSTOR With the VEX Prefix
May Produce a #NM Exception
KBL017 X X X X X X X X X No Fix
WRMSR May Not Clear The Sticky Count Overflow Bit
in The IA32_MCi_STATUS MSRs’ Corrected Error
Count Field