Re: [PATCH 5.12.y] KVM: nSVM: avoid picking up unsupported bits from L2 in int_ctl (CVE-2021-3653)

Subject: Re: [PATCH 5.12.y] KVM: nSVM: avoid picking up unsupported bits from L2 in int_ctl (CVE-2021-3653)
From: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Date: Mon, 16 Aug 2021 17:56:35 +0200
Cc: linux-kernel@xxxxxxxxxxxxxxx, kvm@xxxxxxxxxxxxxxx, stable@xxxxxxxxxxxxxxx
In-reply-to: <74cf96a9030dc0e996b1814bbf907299e377053e.camel@redhat.com>
References: <20210816140240.11399-6-pbonzini@redhat.com> <YRp1bUv85GWsFsuO@kroah.com> <97448bb5-1f58-07f9-1110-96c7ffefd4b2@redhat.com> <YRqAM3gTAscfmr60@kroah.com> <74cf96a9030dc0e996b1814bbf907299e377053e.camel@redhat.com>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0

On 16/08/21 17:37, Maxim Levitsky wrote:

5.13 will more likely to work with the upstream version.
I'll check it soon.

There are a couple context differences so I've already tested it andsent it out.


Paolo

Follow-Ups:
- Re: [PATCH 5.12.y] KVM: nSVM: avoid picking up unsupported bits from L2 in int_ctl (CVE-2021-3653)
  - From: Maxim Levitsky

References:
- [PATCH 5.12.y] KVM: nSVM: avoid picking up unsupported bits from L2 in int_ctl (CVE-2021-3653)
  - From: Paolo Bonzini
- Re: [PATCH 5.12.y] KVM: nSVM: avoid picking up unsupported bits from L2 in int_ctl (CVE-2021-3653)
  - From: Greg KH
- Re: [PATCH 5.12.y] KVM: nSVM: avoid picking up unsupported bits from L2 in int_ctl (CVE-2021-3653)
  - From: Paolo Bonzini
- Re: [PATCH 5.12.y] KVM: nSVM: avoid picking up unsupported bits from L2 in int_ctl (CVE-2021-3653)
  - From: Greg KH
- Re: [PATCH 5.12.y] KVM: nSVM: avoid picking up unsupported bits from L2 in int_ctl (CVE-2021-3653)
  - From: Maxim Levitsky