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([2a10:bac0:b000:7315:e681:bab5:4646:cf21]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-42106a158a6sm2766795e9.25.2024.05.23.05.01.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 23 May 2024 05:01:57 -0700 (PDT) Message-ID: <5ea91ae6-091d-4378-950b-833561eef48c@suse.com> Date: Thu, 23 May 2024 15:01:56 +0300 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: CVE-2024-35802: x86/sev: Fix position dependent variable references in startup code To: Greg Kroah-Hartman Cc: cve@kernel.org, linux-kernel@vger.kernel.org References: <2024051738-CVE-2024-35802-959d@gregkh> <2024052334-cable-serotonin-fa2b@gregkh> Content-Language: en-US From: Nikolay Borisov In-Reply-To: <2024052334-cable-serotonin-fa2b@gregkh> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 23.05.24 г. 14:21 ч., Greg Kroah-Hartman wrote: > Isn't crashing SEV guests a problem with "availability"? That term > comes from the CVE definition of what we need to mark as a CVE, which is > why this one was picked. But availability has never been one of the tenets of CoCo, in fact in sev-snp/tdx the VMM is explicitly considered outside of the TCB so availability cannot be guaranteed.