On 01/28/2015, 01:03 PM, Nadav Amit wrote:
> The CVE only exists in 3.17 - 3.18, so it should be unnecessary in 3.12.

Greg, the same holds for 3.14, I suppose.

In there, it's "[PATCH 3.14 26/77]".

> Jiri Slaby <[email protected]> wrote:
> 
>> From: Nadav Amit <[email protected]>
>>
>> This patch has been added to the 3.12 stable tree. If you have any
>> objections, please let us know.
>>
>> ===============
>>
>> commit 63ea0a49ae0b145b91ff2b070c01b66fc75854b9 upstream.
>>
>> STR and SLDT with rip-relative operand can cause a host kernel oops.
>> Mark them as DstMem as well.
>>
>> Signed-off-by: Nadav Amit <[email protected]>
>> Signed-off-by: Paolo Bonzini <[email protected]>
>> Signed-off-by: Jiri Slaby <[email protected]>
>> ---
>> arch/x86/kvm/emulate.c | 4 ++--
>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
>> index ab1d45928ce7..ee2bc3be0d1e 100644
>> --- a/arch/x86/kvm/emulate.c
>> +++ b/arch/x86/kvm/emulate.c
>> @@ -3622,8 +3622,8 @@ static const struct opcode group5[] = {
>> };
>>
>> static const struct opcode group6[] = {
>> -    DI(Prot,        sldt),
>> -    DI(Prot,        str),
>> +    DI(Prot | DstMem,       sldt),
>> +    DI(Prot | DstMem,       str),
>>      II(Prot | Priv | SrcMem16, em_lldt, lldt),
>>      II(Prot | Priv | SrcMem16, em_ltr, ltr),
>>      N, N, N, N,
>> -- 
>> 2.2.2
> 
> 


-- 
js
suse labs
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