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From: David Hildenbrand <david@redhat.com>
To: Claudio Imbrenda <imbrenda@linux.ibm.com>
Cc: linux-kernel@vger.kernel.org, borntraeger@de.ibm.com,
	frankja@linux.ibm.com, kvm@vger.kernel.org,
	linux-s390@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH v1 1/4] s390/kvm: VSIE: stop leaking host addresses
Date: Mon, 4 Jan 2021 16:36:50 +0100	[thread overview]
Message-ID: <4d7ea3de-61b7-af89-a3d4-5a4b5749f667@redhat.com> (raw)
In-Reply-To: <20210104145802.7a2274a2@ibm-vm>

>> In that case, it's pretty much a random number (of a random page used
>> as a leave page table) and does not let g1 identify locations of
>> symbols etc. If so, I don't think this is a "clear security issue"
>> and suggest squashing this into the actual fix (#p4 I assume).
> 
> yeah __maybe__ I overstated the importance ;)
> 
> But I would still like to keep it as a separate patch, looks more
> straightforward to me
>  

I don't see a need to split this up. Just fix it right away.


-- 
Thanks,

David / dhildenb


  reply	other threads:[~2021-01-04 15:38 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20201218141811.310267-1-imbrenda@linux.ibm.com>
2020-12-18 14:18 ` [PATCH v1 1/4] s390/kvm: VSIE: stop leaking host addresses Claudio Imbrenda
2020-12-20  9:44   ` David Hildenbrand
2021-01-04 13:58     ` Claudio Imbrenda
2021-01-04 15:36       ` David Hildenbrand [this message]
2021-01-19 14:23   ` Janosch Frank
2020-12-18 14:18 ` [PATCH v1 2/4] s390/kvm: extend guest_translate for MVPG interpretation Claudio Imbrenda
2021-01-19 14:59   ` Janosch Frank
2020-12-18 14:18 ` [PATCH v1 3/4] s390/kvm: add kvm_s390_vsie_mvpg_check needed for VSIE MVPG Claudio Imbrenda
2021-01-05 10:31   ` David Hildenbrand
2020-12-18 14:18 ` [PATCH v1 4/4] s390/kvm: VSIE: correctly handle MVPG when in VSIE Claudio Imbrenda
2020-12-20 10:13   ` David Hildenbrand
2021-01-04 15:22     ` Claudio Imbrenda
2021-01-04 16:08       ` David Hildenbrand
2021-01-04 16:36         ` Claudio Imbrenda
2021-01-05 10:17           ` David Hildenbrand

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