linux-kernel - Re: [PATCH 0/3] Emulate VMXON region correctly

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <535E3C10.9020403@siemens.com>
Date:	Mon, 28 Apr 2014 13:31:28 +0200
From:	Jan Kiszka <jan.kiszka@...mens.com>
To:	Bandan Das <bsd@...hat.com>, kvm@...r.kernel.org
CC:	Paolo Bonzini <pbonzini@...hat.com>,
	Gleb Natapov <gleb@...nel.org>,
	Marcelo Tosatti <mtosatti@...hat.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/3] Emulate VMXON region correctly

On 2014-04-28 07:00, Bandan Das wrote:
> Reference: https://bugzilla.kernel.org/show_bug.cgi?id=54521
> 
> The vmxon region is unused by nvmx, but adding these checks
> are probably harmless and may detect buggy L1 hypervisors in 
> the future!

Nice and welcome! Will you provide unit tests for these cases as well?

Jan

> 
> Bandan Das (3):
>   KVM: nVMX: rearrange get_vmx_mem_address
>   KVM: nVMX: additional checks on vmxon region
>   KVM: nVMX: fail on invalid vmclear/vmptrld pointer
> 
>  arch/x86/kvm/vmx.c | 171 ++++++++++++++++++++++++++++++++++++-----------------
>  1 file changed, 118 insertions(+), 53 deletions(-)
> 

-- 
Siemens AG, Corporate Technology, CT RTC ITP SES-DE
Corporate Competence Center Embedded Linux
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/