It is not secure because it is not fixed for these issues: https://meltdownattack.com/ If you're CPU is not listed there (unlikely) or your use case does not need that much security( depending on your application) you can stay with 4.1.
Fixing these vulnerabilities is a lot of work and no one will fix them for old OS. Tali Perry -----Original Message----- From: [email protected] [mailto:[email protected]] Sent: Thursday, March 1, 2018 7:00 PM To: [email protected] Subject: Kernelnewbies Digest, Vol 88, Issue 1 Send Kernelnewbies mailing list submissions to [email protected] To subscribe or unsubscribe via the World Wide Web, visit https://urldefense.proofpoint.com/v2/url?u=https-3A__lists.kernelnewbies.org_mailman_listinfo_kernelnewbies&d=DwICAg&c=ue8mO8zgC4VZ4q_aNVKt8G9MC01UFDmisvMR1k-EoDM&r=5-jOvjYshFdcjobN4MAbTtpuvsF8AX3cHai1kFhWbCo&m=5WHSMfKEgDeA1L5AJ0SixtlVmggN8l66pLQJV_mbEPo&s=yn9lHYs-jhadLZh1tVPLrBb9Zk1cllKS9CbE_J3_ITQ&e= or, via email, send a message with subject or body 'help' to [email protected] You can reach the person managing the list at [email protected] When replying, please edit your Subject line so it is more specific than "Re: Contents of Kernelnewbies digest..." Today's Topics: 1. Re: Year 2038 time set problem (techi eth) 2. Re: Year 2038 time set problem (Greg KH) ---------------------------------------------------------------------- Message: 1 Date: Thu, 1 Mar 2018 14:49:05 +0530 From: techi eth <[email protected]> To: Greg KH <[email protected]> Cc: Valdis Kletnieks <[email protected]>, [email protected] Subject: Re: Year 2038 time set problem Message-ID: <cajw2ssajbkbr33sldm285lbrfjtwrzwsdjqunnzyju6qqte...@mail.gmail.com> Content-Type: text/plain; charset="utf-8" I am just trying to know why 4.1 kernel is insecure ? I have try to look but not able to get right answer. Could you please give me hint or link. I only see it is going to EOL by May 2018. https://urldefense.proofpoint.com/v2/url?u=https-3A__www.kernel.org_category_releases.html&d=DwICAg&c=ue8mO8zgC4VZ4q_aNVKt8G9MC01UFDmisvMR1k-EoDM&r=5-jOvjYshFdcjobN4MAbTtpuvsF8AX3cHai1kFhWbCo&m=5WHSMfKEgDeA1L5AJ0SixtlVmggN8l66pLQJV_mbEPo&s=apTb5GBuyMFf5VtDS12PkFJxZdN_PGgur3KES7GW5LI&e= Thanks On Sat, Feb 24, 2018 at 9:20 PM, Greg KH <[email protected]> wrote: > On Sat, Feb 24, 2018 at 07:29:35PM +0530, techi eth wrote: > > I am trying on 32 Bit micro board with ubifs file system with Linux > Kernel > > 4.1. > > And in your testing, did you find any problems? > > Also note that the 4.1 kernel is very old and obsolete and insecure, > and should NOT be used for any devices in the year 2038. > > best of luck! > > greg k-h > -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://urldefense.proofpoint.com/v2/url?u=http-3A__lists.kernelnewbies.org_pipermail_kernelnewbies_attachments_20180301_13cb2216_attachment-2D0001.html&d=DwICAg&c=ue8mO8zgC4VZ4q_aNVKt8G9MC01UFDmisvMR1k-EoDM&r=5-jOvjYshFdcjobN4MAbTtpuvsF8AX3cHai1kFhWbCo&m=5WHSMfKEgDeA1L5AJ0SixtlVmggN8l66pLQJV_mbEPo&s=1Gfz5A_quFFmclyBIGvBEHg-YdY2U0ZB5yErBWtd7C4&e= > ------------------------------ Message: 2 Date: Thu, 1 Mar 2018 13:04:14 +0100 From: Greg KH <[email protected]> To: techi eth <[email protected]> Cc: Valdis Kletnieks <[email protected]>, [email protected] Subject: Re: Year 2038 time set problem Message-ID: <[email protected]> Content-Type: text/plain; charset=us-ascii On Thu, Mar 01, 2018 at 02:49:05PM +0530, techi eth wrote: > I am just trying to know why 4.1 kernel is insecure ? I have try to > look but not able to get right answer. > > Could you please give me hint or link. I only see it is going to EOL > by May 2018. > > https://urldefense.proofpoint.com/v2/url?u=https-3A__www.kernel.org_ca > tegory_releases.html&d=DwICAg&c=ue8mO8zgC4VZ4q_aNVKt8G9MC01UFDmisvMR1k > -EoDM&r=5-jOvjYshFdcjobN4MAbTtpuvsF8AX3cHai1kFhWbCo&m=5WHSMfKEgDeA1L5A > J0SixtlVmggN8l66pLQJV_mbEPo&s=apTb5GBuyMFf5VtDS12PkFJxZdN_PGgur3KES7GW > 5LI&e= Yes, why would you use a kernel that is going to be end-of-life in a few months, in the year 2038? What is going to keep it "secure" until then? thanks, greg k-h ------------------------------ Subject: Digest Footer _______________________________________________ Kernelnewbies mailing list [email protected] https://urldefense.proofpoint.com/v2/url?u=https-3A__lists.kernelnewbies.org_mailman_listinfo_kernelnewbies&d=DwICAg&c=ue8mO8zgC4VZ4q_aNVKt8G9MC01UFDmisvMR1k-EoDM&r=5-jOvjYshFdcjobN4MAbTtpuvsF8AX3cHai1kFhWbCo&m=5WHSMfKEgDeA1L5AJ0SixtlVmggN8l66pLQJV_mbEPo&s=yn9lHYs-jhadLZh1tVPLrBb9Zk1cllKS9CbE_J3_ITQ&e= ------------------------------ End of Kernelnewbies Digest, Vol 88, Issue 1 ******************************************** =========================================================================================== The privileged confidential information contained in this email is intended for use only by the addressees as indicated by the original sender of this email. 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