From: "Chatradhi, Naveen Krishna" <NaveenKrishna.Chatradhi@amd.com>
To: Salvatore Bonaccorso <carnil@debian.org>,
Guenter Roeck <linux@roeck-us.net>
Cc: "linux-hwmon@vger.kernel.org" <linux-hwmon@vger.kernel.org>,
"naveenkrishna.ch@gmail.com" <naveenkrishna.ch@gmail.com>,
"stable@vger.kernel.org" <stable@vger.kernel.org>
Subject: RE: [PATCH] hwmon: amd_energy: modify the visibility of the counters
Date: Sun, 22 Nov 2020 06:56:24 +0000 [thread overview]
Message-ID: <DM6PR12MB438866557FEE8F42C0F6AF26E8FD0@DM6PR12MB4388.namprd12.prod.outlook.com> (raw)
In-Reply-To: <20201113135834.GA354992@eldamar.lan>
[AMD Official Use Only - Approved for External Use]
Hi Guenter, Salvatore
> This is very unusual, and may mess up the "sensors" command.
> What problem is this trying to solve ?
Guenter, sorry for the delayed response.
This fix is required to address the possible side channel attack reported in CVE-2020-12912.
>> https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbugzilla.redhat.com%2Fshow_bug.cgi%3Fid%3D1897402&data=04%7C01%7CNaveenKrishna.Chatradhi%40amd.com%7C7672335ee2904d59fb5008d887dc381b%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637408727764403328%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&sdata=RCD5UPLJwh4NkUWf2Uq2r0PTYUC0f6DFDWLAQsrRJZI%3D&reserved=0
>> https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fsupport.lenovo.com%2Flu%2Fuk%2Fproduct_security%2FLEN-50481&data=04%7C01%7CNaveenKrishna.Chatradhi%40amd.com%7C7672335ee2904d59fb5008d887dc381b%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637408727764403328%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&sdata=qBqjid0icKwjI%2Bz38twQqLUYwDzTfvCTF%2Bxzu0dXivY%3D&reserved=0
>> https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fcve.mitre.org%2Fcgi-bin%2Fcvename.cgi%3Fname%3DCVE-2020-12912&data=04%7C01%7CNaveenKrishna.Chatradhi%40amd.com%7C7672335ee2904d59fb5008d887dc381b%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637408727764403328%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&sdata=xftV%2FNo3SvC3sHVKzq74m%2B4OmlYXKjSnSHjebcL%2FGQQ%3D&reserved=0
>> ?
Yes, Salvatore, thanks for bringing the links.
Regards,
Naveenk
-----Original Message-----
From: Salvatore Bonaccorso <salvatore.bonaccorso@gmail.com> On Behalf Of Salvatore Bonaccorso
Sent: Friday, November 13, 2020 7:29 PM
To: Guenter Roeck <linux@roeck-us.net>
Cc: Chatradhi, Naveen Krishna <NaveenKrishna.Chatradhi@amd.com>; linux-hwmon@vger.kernel.org; naveenkrishna.ch@gmail.com; stable@vger.kernel.org
Subject: Re: [PATCH] hwmon: amd_energy: modify the visibility of the counters
[CAUTION: External Email]
Hi,
On Thu, Nov 12, 2020 at 09:24:22AM -0800, Guenter Roeck wrote:
> On 11/12/20 9:21 AM, Naveen Krishna Chatradhi wrote:
> > This patch limits the visibility to owner and groups only for the
> > energy counters exposed through the hwmon based amd_energy driver.
> >
> > Cc: stable@vger.kernel.org
> > Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> > Signed-off-by: Naveen Krishna Chatradhi <nchatrad@amd.com>
>
> This is very unusual, and may mess up the "sensors" command.
> What problem is this trying to solve ?
Is this related to
https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbugzilla.redhat.com%2Fshow_bug.cgi%3Fid%3D1897402&data=04%7C01%7CNaveenKrishna.Chatradhi%40amd.com%7C7672335ee2904d59fb5008d887dc381b%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637408727764403328%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&sdata=RCD5UPLJwh4NkUWf2Uq2r0PTYUC0f6DFDWLAQsrRJZI%3D&reserved=0
https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fsupport.lenovo.com%2Flu%2Fuk%2Fproduct_security%2FLEN-50481&data=04%7C01%7CNaveenKrishna.Chatradhi%40amd.com%7C7672335ee2904d59fb5008d887dc381b%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637408727764403328%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&sdata=qBqjid0icKwjI%2Bz38twQqLUYwDzTfvCTF%2Bxzu0dXivY%3D&reserved=0
https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fcve.mitre.org%2Fcgi-bin%2Fcvename.cgi%3Fname%3DCVE-2020-12912&data=04%7C01%7CNaveenKrishna.Chatradhi%40amd.com%7C7672335ee2904d59fb5008d887dc381b%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637408727764403328%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&sdata=xftV%2FNo3SvC3sHVKzq74m%2B4OmlYXKjSnSHjebcL%2FGQQ%3D&reserved=0
?
Regards,
Salvatore
next prev parent reply other threads:[~2020-11-22 6:56 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-12 17:21 [PATCH] hwmon: amd_energy: modify the visibility of the counters Naveen Krishna Chatradhi
2020-11-12 17:24 ` Guenter Roeck
2020-11-13 13:58 ` Salvatore Bonaccorso
2020-11-13 14:47 ` Guenter Roeck
2020-11-22 6:56 ` Chatradhi, Naveen Krishna [this message]
2020-11-22 13:30 ` Guenter Roeck
2020-11-22 16:42 ` Chatradhi, Naveen Krishna
2020-11-22 18:09 ` Guenter Roeck
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