From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Jan Beulich <jbeulich@suse.com>
Cc: "Roger Pau Monné" <roger.pau@citrix.com>,
Xen-devel <xen-devel@lists.xenproject.org>
Subject: Re: [PATCH v2 4/5] x86/ucode: Refine the boundary checks for Entrysign
Date: Tue, 28 Oct 2025 10:34:17 +0000 [thread overview]
Message-ID: <b8bfc67d-705c-4abb-8759-e6397bcaa725@citrix.com> (raw)
In-Reply-To: <1636aa0d-1ab6-4f6d-ba74-f41a9c561b55@suse.com>
On 28/10/2025 9:32 am, Jan Beulich wrote:
> On 27.10.2025 23:17, Andrew Cooper wrote:
>> After initial publication, the SB-7033 / CVE-2024-36347 bulletin was updated
>> to list Zen5 CPUs as vulnerable. Use Fam1ah as an upper bound, and adjust the
>> command line documentation.
>>
>> When the Zen6 (also Fam1ah processors) model numbers are known, they'll want
>> excluding from the family ranges.
> I.e. we're firmly promised the problem won't be there anymore going forward?
This is what I hear from AMD, yes.
>
>> Fixes: 630e8875ab36 ("x86/ucode: Perform extra SHA2 checks on AMD Fam17h/19h microcode")
>> Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
> Acked-by: Jan Beulich <jbeulich@suse.com>
>
Thanks.
~Andrew
next prev parent reply other threads:[~2025-10-28 10:34 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-27 22:16 [PATCH for-4.21 0/5] x86/ucode: Support loading latest ucode from linux-firwmare Andrew Cooper
2025-10-27 22:16 ` [PATCH v2 1/5] x86/ucode: Abort parallel load early on any control thread error Andrew Cooper
2025-10-27 22:16 ` [PATCH v2 2/5] x86/ucode: Refine TLB flush fix for AMD Fam17h CPUs Andrew Cooper
2025-10-27 22:17 ` [PATCH v2 3/5] x86/ucode: Cross check the minimum revision Andrew Cooper
2025-10-27 22:17 ` [PATCH v2 4/5] x86/ucode: Refine the boundary checks for Entrysign Andrew Cooper
2025-10-28 9:32 ` Jan Beulich
2025-10-28 10:34 ` Andrew Cooper [this message]
2025-10-27 22:17 ` [PATCH v2 5/5] x86/ucode: Relax digest check when Entrysign is fixed in firmware Andrew Cooper
2025-10-28 9:47 ` Jan Beulich
2025-10-28 11:31 ` Andrew Cooper
2025-10-28 13:29 ` Jan Beulich
2025-10-28 14:48 ` [PATCH for-4.21 0/5] x86/ucode: Support loading latest ucode from linux-firwmare Oleksii Kurochko
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