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Mint Blog recommendations for Meltdown and Spectre #4633589
01/13/18 12:17 PM
01/13/18 12:17 PM
Joined: Jun 2004
Posts: 2,476
St. Louis
MONKEYMAN Offline OP
MONKEYMAN  Offline OP
Joined: Jun 2004
Posts: 2,476
St. Louis
Noticed this yesterday. Some info may be helpful if not using Mint.

Security notice: Meltdown and Spectre


Truth alone triumphs, not untruth.

2017 Elantra SE
Re: Mint Blog recommendations for Meltdown and Spectre [Re: MONKEYMAN] #4634204
01/14/18 03:48 AM
01/14/18 03:48 AM
Joined: Dec 2009
Posts: 26,267
Regina, Saskatchewan, Canada
Garak Offline
Garak  Offline
Joined: Dec 2009
Posts: 26,267
Regina, Saskatchewan, Canada
Yes, the Mint people sent out a kernel upgrade, which they normally don't do within a release. They usually don't touch that unless you go to a newer version of Mint altogether.

It worked well. I was afraid of issues with Secure Boot again, since the Mint people seem utterly baffled by the construct, but that didn't materialize this time.


Plain, simple Garak.

2008 Infiniti G37 - Shell ROTELLA T6 Multi-Vehicle 5w-30, NAPA Gold 7356
1984 F-150 4.9L - Quaker State GB 10w-30, Wix 51515
Re: Mint Blog recommendations for Meltdown and Spectre [Re: MONKEYMAN] #4634570
01/14/18 11:35 AM
01/14/18 11:35 AM
Joined: Jun 2011
Posts: 722
Kansas City, MO
yesthatsteve Offline
yesthatsteve  Offline
Joined: Jun 2011
Posts: 722
Kansas City, MO
I applied the Mint update, as well, and everything has been smooth sailing.


'13 LaCrosse eAssist, 50000+ miles | Magnatec 5w30 & Fram EG
'11 Accord I4 Sedan, 95000+ miles | Mobil1 0w20 & Fram EG
Re: Mint Blog recommendations for Meltdown and Spectre [Re: Garak] #4634699
01/14/18 01:45 PM
01/14/18 01:45 PM
Joined: May 2006
Posts: 3,352
Windsor, Ontario, Canada
uc50ic4more Offline
uc50ic4more  Offline
Joined: May 2006
Posts: 3,352
Windsor, Ontario, Canada
Originally Posted By: Garak
Yes, the Mint people sent out a kernel upgrade, which they normally don't do within a release.


Good heavens do I ever wish Canonical would adopt this as a best practice.

Re: Mint Blog recommendations for Meltdown and Spectre [Re: MONKEYMAN] #4634852
01/14/18 04:24 PM
01/14/18 04:24 PM
Joined: Aug 2005
Posts: 2,266
Lexington, KY
BearZDefect Offline
BearZDefect  Offline
Joined: Aug 2005
Posts: 2,266
Lexington, KY
I am curious, this Google blog post explains how one can write code what would cause branch prediction to load contents of memory into the CPU cache that would normally cause an access violation. So now that data my program should not have access to is in the L1 cache, but can a user mode program read all the contents of the L1 cache at will?

Re: Mint Blog recommendations for Meltdown and Spectre [Re: uc50ic4more] #4635338
01/15/18 03:03 AM
01/15/18 03:03 AM
Joined: Dec 2009
Posts: 26,267
Regina, Saskatchewan, Canada
Garak Offline
Garak  Offline
Joined: Dec 2009
Posts: 26,267
Regina, Saskatchewan, Canada
Originally Posted By: uc50ic4more
Good heavens do I ever wish Canonical would adopt this as a best practice.

I'm not too bothered by it, in that I've had very, very few issues with kernel upgrades, know how to revert fairly readily if there's an issue, and haven't had to fix messes for other people. But, I do see the point, and it's interesting to note where Mint has their tipping point. I know Ubuntu would do kernel upgrade after kernel upgrade within a release.


Plain, simple Garak.

2008 Infiniti G37 - Shell ROTELLA T6 Multi-Vehicle 5w-30, NAPA Gold 7356
1984 F-150 4.9L - Quaker State GB 10w-30, Wix 51515

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